Difference between revisions of "Filming dates"

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|(guess) <br> Wed 10 Apr 2013
|(guess) <br> Wed 10 Apr 2013
|(guess) <br> Fri 19 Apr 2013
|(guess) <br> Fri 19 Apr 2013
|[[Jim Michaels]] said at the Con in Rio 2012 that the CW asked for 23 episodes again in Season 8.
|[[Jim Michaels]] said at the Con in Rio 2012 that the CW asked for 23 episodes again in Season 8. Filming for the Season finishes on April 19, 2013 [http://www.bcfilmcommission.com/about_us/film_list.php source].

Revision as of 11:36, 28 March 2013

Call sheet 7.09 day8.mid.jpg

Production Filming Schedules

Supernatural takes 8 working days to film an episode. Production runs Monday to Friday. If Episode 1 starts on a Monday, the last day of filming is the following Wednesday and Episode 2 starts filming on Thursday.

Production schedules are fairly rigid for a variety of reasons. Locations must be arranged in advance and permits are needed; guest cast, regular cast, directors and crew must be scheduled. Standard contracts require cast and crew be paid even if production is cancelled. Each day production is running has fixed overhead costs. Jared mentioned in a Convention Q&A that their contracts require that the actors not take the last flight of the day when returning to Vancouver if they're filming the next day. Apparently they can get special permission to violate this rule (he was doing it for this con) but in general even returning from LA for the weekend they have to take an earlier flight than the last one of the day to avoid the risk of them not getting back to Vancouver in time to film the next day.

A normal season has 22 episodes a year. Season 3 was shortened to 16 episodes because of the writers strike; Seasons 7 and 8 were extended to 23 episodes by the network.

Production begins around the beginning of July and finishes around the end of March. Episodes take 8 weekdays to shoot but that is either 10 or 12 or more calendar days counting Saturdays, Sundays, single day holidays, and longer breaks at Thanksgiving and Christmas. The episodes are aired once a week, so production must start in the middle of the summer to stay ahead of the broadcast schedule even with breaks between airing groups of episodes. Holidays from shooting may include the first Monday of August (British Columbia Day), the first Monday of September (Labor Day), the second Monday of October (Canadian Thanksgiving), the 11th of November (Remembrance day), the entire 4th week of November (US Thanksgiving), 2-3 weeks at the end of December/Jan (Christmas, Boxing Day, New Years), the second Monday of February (Family Day, starting in 2013), and the Friday before Easter (Good Friday) if it falls before the end of shooting.

There is not much public information about the shooting schedule for the early seasons of Supernatural so most dates are based on fan reports, dates encoded in on-set photos, and educated guesses. In later seasons the crew, guest actors, and directors started tweeting during production. Some directors (e.g. Guy Bee) have tweeted pictures of Call Sheets which include 'Day N of 8' along with the date, which makes it definitive when they were shooting.

The starting time for shooting each day varies depending on when specific locations are available, if shooting at night, or what time filming ended the day before. Standard contracts include specific requirements for overtime/bonus pay if cast and crew are required to work more than a specific number of hours in one day, more than 5 days in a row, or have less than a specific number of hours between the end of one work day and the start of the next. Supernatural doesn't seem to film on weekends nor violate the rest time rules between shooting days, but they do frequently run late on shooting days. To avoid violating the rest period rules, the call times (when crew and actors have to begin work) are often early on Mondays and then if the shooting day doesn't end on time the next day's call times are pushed back (are later). If the call times move back a few hours later each day (a fairly common occurrence, although perhaps not as frequently on Supernatural as on other shows), Friday's call times can be in the afternoon. 'Fraturday' is a common industry slang term for a Friday shooting day that starts so late it doesn't end until the early hours of Saturday morning.

This interview with producer Jim Michaels talks about him joining Supernatural in Season 4, and how long the shooting days were at that time. He said he put a stop to the really long days and said he allows nothing more than 14 hours now (which is still a very long day!) because people needed to have lives outside of work and it was unsafe for folks to drive home from work so tired.

Filming Dates by Season

The episode numbers below are all based on the original broadcast schedule airing. Where noted, some episodes were shot out of order, so the production numbers may differ. Some were switched after shooting, but some were intentionally shot out of order because of the availability of locations, or because Jensen was directing and needed to shoot first to have preparation time.

Season 1

Ep # Dates Notes
1.01 Mar 2005 Exif data on promo pics... The scene on the bridge where Dean and Sam argue was filmed approx. 3/9/05. Scene in motel room ('no chick flick moments') was filmed approx. 3/17/05. There is also footage from filming the episode in an early interview that shows the date on the director clapboard to be 3/15/05 (this scene appears to be the struggle between Sam and Dean in Sam's apartment early in the episode). [1]. Also Jared at 1st Paleyfest talked about the time gap between the pilot and next ep.
1.02 Late Jul 2005 Exif data on promo pics, plus fan pics. There was a picture taken by a fan showing a graveyard scene set up for SPN on July 25. Looks like the opening scene where Sam visits Jess' grave in Palo Alto. Exif data on promo pics for the scene in the wendigo's lair is 7/27/05. [1]
1.03 Mid Aug 2005 Exif data on promo pics taken outside Bill Carlton's house shows date of 8/17/05. [1]
1.04 Late Aug - Early Sep 2005 Exif data on promo pics for one of the plane scenes, plus the final scene when they listen to the voicemail on John's phone show date of 8/30/05. Plus when Jared and Jensen did the commentary for this episode, one of them had remarked something about the episode being filmed in September. [1]
1.05 Early-Mid Sep 2005 Exif data on promo pics for the scene of the boys' confrontation with Bloody Mary has date of 9/8/05. There is also a fan sighting/report dated 9/15/05. [1]
1.06 Mid-Late Sept 2005 Exif data on promo pics for the opening scene at the gas station (where Sam gets the email from Rebecca) and a scene in the sewers show dates of 9/21/05 and 9/22/05. [1]
1.07 Late Jul - Early Aug 2005 Filmed as the third episode but shifted around in the schedule. This was confirmed by one of the producers in the season 1 companion. Exif data on promo photos (for scene where the boys meet Laurie and the scene near the end in the church) show dates of 8/4/05 and 8/8/05. [1]
1.08 Late Sep - Early Oct 2005 Exif data on promo pics during the scene where the boys are holed up in Larry's house to fight off the bugs show a date of 10/4/05. There is also a fan sighting from September 30 about filming in an area that looks to be under construction (which is assumed to be the development where Larry's house is). [1]
1.09 Early-Mid Oct 2005 Exif data on promo pics showing the boys with Missouri (and later John with Missouri) show a date of 10/6/05. [1]
1.10 Mid-Late Oct 2005 A script for auction has shown a final/blue draft date of October 18, 2005. Filming probably took place around this date or shortly thereafter. Plus Exif data on promo pics (mainly the scene of confrontation between Angry!Sam and Dean) show a date of 10/24/05. [1]
1.11 Early-Mid Nov 2005 There was a fan report dated around November 8 that mentioned SPN filming in a certain location. It sounded like it was one of the scenes of Dean and the sheriff. Also, Exif data on promo pics taken of the scene in the orchard (Sam, Dean and Emily) are dated 11/18/05. Finally, there are bits from the season 1 gag reel that show Sam and Dean at the bus stop where they said goodbye to Emily. They appear to be takes of the boys giving a holiday greeting. A clapboard shows the date of 11/15/05. [1]
1.12 Late Oct - Early Nov 2005 Filmed before 1.11. Exif data on promo pics showing the boys at Roy's healing tent, Sam and Dean in the rawhead's lair, and Sam outside Roy's house show dates of 11/4/05 and 11/8/05. [1]
1.13 Late Nov - Early Dec 2005 There is a fan report of the boys at the pier at Steveston dated 11/22/05. Also, Exif data on promo pics for the scene where the boys burn Cyrus' truck in the snow and the scene of the boys with Cassie and the mayor have the dates 12/1/05 and 11/30/05, respectively. [1]
1.14 Early-Mid Dec 2005 No promo pics from this one, but there is a scene during the season 1 gag reel that appears to be from the scene where the boys are questioning one of Max's old neighbors and Sam starts having his visions again. The clapboard goes down and shows a date of 12/9/05. [1]
1.15 Mid Dec 2005? Early January 2006 Not sure if this episode was started before the Christmas break and then resumed later, but Exif data on promo pics shows the date of 1/5/06. [1]
1.16 Mid-Late Jan 2006 Exif info on promo pics for scenes of the boys meeting Meg in the bar and then of them reunited with John have the dates 1/17/06 and 1/21/06, respectively. There is also a fan sighting of the Impala and John's truck set outside for a scene, dated 1/18/06. [1]
1.17 Late Jan - Early Feb 2006 Exif info on promo pics for scenes at Mordecai's cabin are dated 1/27/06. There was also a tidbit that one of the restaurants they filmed scenes at closed down in February 2006 (no exact date given). [1]
1.18 Early-Mid Feb 2006 No promo pics or fan reports – just a rough guess based on info from episodes before and after.
1.19 Mid-Late Feb 2006 Exif info on pics from the scene where Sam and Sarah battle Melanie Merchant have the date of 2/23/06. Exif info on a promo pic showing Dean asleep in the Impala (while Sam is checking out the Telescas' home) shows date of 2/24/06. There are also bits on the gag reel from the scene between Sam, Dean and Sarah at the motel room where the clapboard shows the date of 2/21/06. [1]
1.20 Late Feb - Early Mar 2006 This episode was being filmed during the filming of the Day in the Life of Jared and Jensen featurette from the season 1 DVDs. Jensen mentions in it that his birthday is the next day, meaning it must have been filmed on 2/28/06. Exif data on promo pics showing the confrontation between Sam and John show a date of 3/2/06. [1]
1.21 Mid-Late Mar 2006 There are pics taken on set of Jared and Jensen both holding the baby who played Rosie. The Exif data on these pics shows a date of 3/17/06. [1]
1.22 Late Mar - Early Apr 2006 Exif data from pics showing the boys' confrontation with YED!John show the date of 4/2 and 4/3/06 [1]

Season 2

Ep # Dates Notes
2.01 12 Jul - approx 21 Jul 2006 It was announced that filming on season 2 was starting on July 12. During the commentary for this episode, Jared said that they filmed the scene with Sam and Bobby at Bobby's junkyard as one of the first on the 12th. Exif data from promo pics showing Sam with John in John's room, pics showing Sam over Dean's bed (the “We were just starting to be brothers again” scene), and pics showing John talking to Dean at the end show dates of 7/17/06, 7/19/06, and 7/20/06, respectively. Finally, a quick clip from the season 2 gag reel show the opening scene in the episode with the three Winchester guys in the beat up Impala (and Jensen is grinning widely with his eyes bugging out) shows a clapboard with the date 7/21/06 on it. [1] Also see Supernatural Scrapbook 2006.
2.02 24 Jul - approx 2 Aug 2006 Fan pics taken on location of the two scenes at Bobby's junkyard (both the opening scene of Dean fixing the Impala and the end scene where Sam admits he's not alright) contain Exif data that shows the date 7/24/06. There are also fan reports that place two carnival scenes being filmed on 7/25 and 7/26/06. The second one was a call to anyone who wanted to appear as extras in one of the carnival scenes (the one where Papazian confronts Dean and the boys spot the little girl who appears to see a clown). Promo pics showing the boys meeting Ellen and Jo at the Roadhouse have Exif data with the date 7/27/06. Finally, there is a bit during the season 2 gag reel where they are trying to film the scene where the boys are sitting in the beat up van outside the house of the family with the little girl who saw the clown. Jared farts and disrupts filming. There is a clapboard that shows the date of 8/2/06. [1]
2.03 Approx 3 Aug - 15 Aug 2006 Exif data on one promo pic of the vampire Rene (where Sam and Dean confront Gordon) has the date 8/10/06. There is also a fan report dated 8/11/06 in which they spotted the boys filming the scene outside the motel (the infamous one where Dean punched Sam). [1] (7 Aug possible holiday)
2.04 Approx 16 Aug - 25 Aug 2006 Exif data on promo pics for the graveyard scene show date of 8/24/06. [1]
2.05 Approx 28 Aug - 7 Sep 2006 There is Exif data on fan pics that show the date of 8/28/06. Also fan/location reports dated 9/2/06. Exif data on promo pics showing the scene early on in the Roadhouse have date of 9/7/08. [1] 4 Sep was Labor Day holiday.
2.06 Mid-Late Sep 2006 (?) Date is a bit iffy on this one... Jared appeared on KTLA morning news on 9/18/06. He had his arm in a cast and said they'd taken off two weeks because of his wrist surgery. [1]
2.07 Late Sep - Early Oct 2006 Linda Blair appeared briefly with the boys during the CW Launch Party on 9/18/06 and it was said that she would be working with them “soon.” Exif data from promo pics of various scenes show dates of 9/26/06 and 9/28/06. [1]
2.08 Early-Mid Oct 2006 Exif data on promo pics of the scene where Sam and Dean first arrive at the crossroads have the date of 10/11/06. [1]
2.09 Mid-Late Oct 2006 Exif data on one of the scenes in the infirmary have the date of 10/24/06. Footage from season 2 gag reel of the final scene of the episode shows a director's clapboard with the date 10/18/06. [1]
2.10 Late Oct - Early Nov 2006 There is a fan report dated 11/1/06. Exif data on promo pics from the scene near the end where Sam confronts Gordon have the date 11/3/06. [1]
2.11 Early-Mid Nov 2006 There are fan reports dated 11/7/06 and 11/9/06. Exif data on pics of fans with the boys contain the same dates. Exif data on promo pics have the date 11/9/06. There is also a fan report from circa 11/12/06, which sounds like they're filming exteriors (maybe the scene in which Tyler falls into the pool?). [1]
2.12 Early Dec 2006 Exif data on promo pics of the boys undercover in the bank have the date 11/28/06. [1]
2.13 Early Dec 2006 There are fan reports dated approx. 12/7/06 that mention the boys filming in a church. [1]
2.14 Mid Dec 2006? Early Jan 2007 Not sure if filming of the episode was split around Christmas break. There have been fan reports from around 1/3/07, and Exif data from promo pics of the scene at Bobby's have the date 1/4/07. [1]
2.15 Early-Mid Jan 2007 There are fan reports and/or pics from 1/8/07 in a bar, presumably the location in which Sam and Dean interview the frat boy. Exif data on promo pics of the scene with the boys and the Trickster have the date 1/11/07. [1]
2.16 Mid-Late Jan 2007 Exif data on promo pics have the date 1/23/07. [1]
2.17 Late Jan - Early Feb 2007 Footage from the season 2 gag reel of various scenes featuring Sam, Dean and Madison show a clapboard with the date 2/2/07, and the opening scene where Sam and Dean are discussing the case show a clapboard with the date 1/30/07. Exif data from promo pics featuring Sam and Madison have the date 2/7/07. [1]
2.18 Early-Mid Feb 2007 Exif data from promo pics of the boys on the set with Gary Cole have the date 2/9/07. [1]
2.19 Mid-Late Feb 2007 Exif data from promo pics of boys in the prison yard have the date 2/27/07. There was also a fan report that noted they were filming this episode on Jensen's birthday (3/1), and how in the prison yard everyone started singing Happy Birthday to him. [1]
2.20 Early-Mid Mar 2007 Exif data from promo pics of the dinner scene in Dean's AU show the date 3/19/07. [1]
2.21 Late Mar 2007 guess based on the previous episode. No promo pics, although a blogger's set visit seems to point to the fact that they were filming 2x21 and 2x22 together (different scenes from each on different days). [1]
2.22 Late Mar - 5 Apr (approx) 2007 Blogger's set visit was on 3/29/07 while they were filming this episode. Blogger mentioned they were filming the opening scene where Dean is talking to Sam's corpse. Exif data on pics of the boys taken during this set visit have the date 3/29/07. Exif data on promo pics from the final scene in the cemetery have the date 4/3/07. [1] Friday, 6 Apr was the Good Friday holiday this year.

Season 3

The Writers Guild of America strike began Monday, November 5, 2007, and ended February 26, 2008. As the strike began, scripts which were already written were allowed to be filmed, but no new writing could be done. After the strike, new scripts had to be written before filming could begin. Supernatural was able to produce 4 episodes after the strike and before the end of the shooting season.

Ep # Dates Notes
3.01 17 Jul - 26 or 27 Jul 2007 It is announced that season 3 started filming on 7/17. There is a fan report from 7/20/07 that mentions them filming outside the Terminal Pub (sounds like the scene in which the boys and Bobby see Isaac and Tamera enter the pub and then ram through there in Bobby's car to save them). Exif data on promo pics of scene with boys, Tamera and Bobby holed up waiting for the seven deadly sin demons have the date 7/25/07. Footage from the season 3 gag reel shows scene of Sam walking down the street and being watched by Ruby with a clapboard showing the date 7/24/07. Comic Con that year is on 7/27-7/28/07. Both boys scheduled to attend but Jared misses due to having worked late on a scene (possibly for this episode). [1]
3.02 27 or 30 Jul - 7 or 8 Aug 2007 Exif data on promo pics show the date 7/30/07. There is a fan report with a that is dated 8/7/07. It mentions restaurant that's used as a diner, and the scene with Sam and Ruby is mentioned. [1] Possibly no shooting on 6 Aug (Civic Holiday).
3.03 Aug 2007
3.04 2007
3.05 2007
3.06 2007
3.07 2007
3.08 2007
3.09 2007
3.10 2007
3.11 2007 Filmed after 3.12 but airing order swapped since Jus in Bello was considered to be a better episode to lead into the expected hiatus because of the WGA strike.
3.12 Dec 2007 Last episode written before writers strike. See Supernatural Scrapbook 2007.
3.13 2008
3.14 2008
3.15 2008
3.16 2008

Season 4

Both boys did movies over the summer hiatus between Seasons 3 and 4. Jensen did a 3D remake of My Bloody Valentine, and Jared did a remake of Friday the 13th. The movies had their premiers in Jan and Feb 2009 respectively, and the boys had to do publicity and attend the screenings in LA.
Kim Manners died 25 Jan 2009.

Ep # Dates Notes
4.01 Early July 2008 Clapboard from the season 4 gag reel include a scene from this ep dated 8 July 2008.
4.02 2008
4.03 2008
4.04 2008 Last episode directed by Kim.
4.05 Early Aug 2008 Clapboards from the season 4 gag reel includes scenes from this episode dated 2 and 5 Aug 2008.
4.06 Fall 2008
4.07 Fall 2008
4.08 Fall 2008
4.09 Fall 2008
4.10 Fall 2008
4.11 Fall 2008
4.12 Nov 2008? Production takes all of the week of (American) Thanksgiving off.
4.13 Nov/Dec 2008?
4.14 Dec 2008?
4.15 Dec 2008 or Jan 2009? Production takes roughly 2 weeks off for the Christmas/New Years holidays.
4.16 Jan 2009? Jensen was in LA for his movie premier (My Bloody Valentine 3D) Thurs 8 Jan. Mike Rohl directed both eps 4.16 and 4.18 which is a bit unusual unless the eps were shot out of order. Typically directors don't have repeat episodes closer than 4-5 eps apart. The director usually has a week or two of shot prep, location scouting, technical prep (costumes, sets, etc) before shooting a episode, and then a week or two after to supervise editing, sound, etc. Perhaps Kim was scheduled to direct one of these and Mike filled in.
4.17 Jan 2009?
4.18 Early Feb 2009 This fan report said on Mon 9 Feb Jensen filmed all day on this episode, while Jared was in LA for his movie premier (Friday the 13th remake). It also says the crew were wearing small black buttons with KM on them.
4.19 Early Feb 2009 Clapboard from season 4 gag reel dated 9 Feb 2009 in hotel room from this ep.
4.20 Spring 2009
4.21 Spring 2009
4.22 Spring 2009

Season 5

The 2010 Winter Olympics were in Vancouver in February 2010, so access to various filming locations was impacted.

Ep # Start Date End Date Notes
5.01 2 Jul 2009   13 Jul 2009   [2]
5.02 14 Jul 2009 23 Jul 2009 8 day shooting schedule based on days for 5.01 and 5.03
5.03 24 Jul 2009 5 Aug 2009 [2] Monday, 3 Aug 2009 holiday.
5.04 6 Aug 2009 17 Aug 2009 best guess
5.05 18 Aug 2009 27 Aug 2009
5.06 28 Aug 2009 9 Sep 2009 best guess, Monday 7 Sept holiday
5.07 10 Sep 2009 21 Sep 2009
5.08 22 Sep 2009 1 Oct 2009 best guess
5.09 2 Oct 2009 14 Oct 2009 best guess; Canadian Thanksgiving Holiday 12 Oct
5.10 15 Oct 2009 26 Oct 2009 [2]
5.11 27 Oct 2009 5 Nov 2009
5.12 6 Nov 2009 18 Nov 2009 Wed, Nov 11 Holiday?
5.13 19 Nov 2009 7 Dec 2009 best guess; Production gets US Thanksgiving week off (23 - 27 Nov this year)
5.14 8 Dec 2009 17 Dec 2009 best guess. Production shuts down for Xmas vacation.
5.15 18 Dec 2009 or
4 Jan 2010
12 or 13 Jan 2010 best guess
5.16 12 Jan 2010 21 Jan 2010 something off here.
5.17 21 Jan 2010 1 Feb 2010 Start date confirmed.
5.18 2 Feb 2010 11 Feb 2010 best guess. Episode 100.
5.19 12 Feb 2010 23 Feb 2010 End date based on tweet by Clif (@bodyguard4jandj)
5.20 24 Feb 2010 5 Mar 2010 best guess
5.21 8 Mar 2010 17 Mar 2010 best guess
5.22 18 Mar 2010 29 to 31 Mar 2010 best guess

Season 6

Ep # Start Date End date Notes
6.01 13 Jul 2010 22 Jul 2010 [3]
6.02 23 Jul 2010 4 Aug 2010 [3] In this Comic Con interview with Jared, he says they were filming day 2 of episode 3. Since 6.04 was filmed first, this fits if he meant the third episode to be filmed. The interview was probably done on the weekend of Sat/Sun, July 24th/25th.
6.03 5 Aug 2010 16 Aug 2010 [3]
6.04 30 Jun 2010 12 Jul 2010 Directed by Jensen; filmed first so he could prep.
6.05 27 Aug 2010 8 Sep 2010 Filmed after 6.06 (6 Sept holiday?)
6.06 17 Aug 2010 26 Aug 2010 Filmed before 6.05. According to Russ, swap was combination of location availability and cutting vampire script down to fit under budget.
6.07 9 Sep 2010 20 Sep 2010
6.08 21 Sep 2010 30 Sep 2010
6.09 1 Oct 2010 13 Oct 2010 Location manager Russ told tour production takes the day of Canadian Thanksgiving off (second Monday in October).
6.10 14 Oct 2010   25 Oct 2010  
6.11 26 Oct 2010 4 Nov 2010
6.12 5 Nov 2010 19 Nov 2010 Location manager Russ told tour production takes the entire week of US Thanksgiving off (4th Thursday in November - 22 Nov to 26 Nov this year).
6.13 29 Nov 2010 8 Dec 2010
6.14 8 Dec 2010 17 Dec 2010 Production closes for Xmas vacation.
6.15 5 Jan 2011 14 Jan 2011
6.16 17 Jan 2011 25 Jan 2011 (? only 7 days - should be to 26th or 6.15 started sooner)
6.17 3 Feb 2011 14 Feb 2011 Originally intended to be 6.18; filmed second.
6.18 25 Jan 2011 3 Feb 2011 Originally intended to be 6.17; filmed first.  ?25 Jan shared, 3 Feb shared.
6.19 14 Feb 2011 23 Feb 2011  ?14 Feb shared
6.20 23 Feb 2011 7 Mar 2011  ?7 Mar shared
6.21 7 Mar 2011 15 Mar 2011
6.22 16 Mar 2011 29 Mar 2011 Jensen said on 13 Mar 2011 at the Second Paley Festival that the finale would start shooting on Wednesday, which is 16 Mar.

Season 7

Ep # Start Date End Date Notes
7.01 18 Jul 2011 27 Jul 2011 Confirmed by [4]
7.02 28 Jul 2011 9 Aug 2011 Confirmed by [4]
7.03 6 Jul 2011 15 Jul 2011 Directed by Jensen. This episode was shot first for this season so he had time to do episode prep. Confirmed by [4]
7.04 10 Aug 2011 19 Aug 2011 [4]
7.05 22 Aug 2011 31 Aug 2011 [4]
7.06 1 Sep 2011 13 Sep 2011 [4]
7.07 14 Sep 2011 23 Sep 2011 [4]
7.08 26 Sep 2011 5 Oct 2011 Confirmed by [4]
7.09 6 Oct 2011 18 Oct 2011 Canadian Thanksgiving Holiday 2nd Monday October, Guy Bee tweets of call sheets for Day 1, Day 5 and Day 8.
7.10 19 Oct 2011 27 Oct 2011 [4] On the Season 7 commentary for Death's Door, Jim Beaver says they filmed the flashbacks/memories of Bobby hunting in the woods with Sam and Dean at the same time they were filming ep 7.09, so they didn't have to go back to the woods.
7.11 28 Oct 2011 8 Nov 2011 [4]
7.12 9 Nov 2011 18 Nov 2011 [4] Production has entire (American) Thanksgiving week off.
7.13 28 Nov 2011 7 Dec 2011 [4] ?Dec 7 in both this and next?
7.14 7 Dec 2011 16 Dec 2011 [4] Production closes for Christmas/New Year's vacation.
7.15 4 Jan 2011 13 Jan 2012 [4]
7.16 16 Jan 2012 25 Jan 2012 [4]
7.17 26 Jan 2012 6 Feb 2012 [4]
7.18 7 Feb 2012 17 Feb 2012 [4]
7.19 20 Feb 2012 2 Mar 2012 [4]
7.20 5 Mar 2012 14 Mar 2012 [4] In an interview in the Supernatural: Official Magazine with director Johnny MacCarthy, he says they only had access to the building that was used for Sucrocorp's headquarters at night and on the weekend. So they filmed all the daylight scenes on Sunday (which would have had to be either 4 Mar or 11 Mar) and then overnight on 2 other nights to get the footage they needed.
7.21 15 Mar 2012 26 Mar 2012 [4]
7.22 27 Mar 2012 5 Apr 2012 Tweets from director Guy Bee of call sheets for Day 1 and Day 8. 6 Apr was a holiday for Good Friday this year.
7.23 9 Apr 2012  19 Apr 2012  Extra episode 23 this season. Day 1 tweet from Jerry Wanek on the 9th. Jim Michaels tweeted that the season Wrap Party was Saturday, 14 April 2012. Tara Larsen made several tweets as production neared the end, that Thursday 19 April 2012 was the last day of filming. (Well, technically the start of the last day of filming, since she also tweeted that they finished at 4am on Friday, 20 Apr 2012.)

Season 8

Note that because 8.03 was filmed first, the production numbers for the first three episodes were not the same as the airing order. The one labeled 8.01 for production aired as 8.03, production 8.02 was 8.01 (the season premier), and production 8.03 aired as 8.02. This tweet from crew member Janet McCairns joked about the crew confusion with the first three episode numberings.

Ep # Start Date End Date Notes
8.01 Thurs 19 July 2012 Mon 30 July 2012 18th was last day filming date of 8.03 (see 8.03 notes). 31st was first filming date of 8.02 (see 8.02 notes).
8.02 Tues 31 Jul 2012 Fri 10 Aug 2012 Start date confirmed by a tweet from Kevin Parks. 6 Aug is a British Columbia holiday (B.C. Day), confirmed by a tweet from Tara Larsen, and a tweet from Clif Kosterman. A tweet from Russ Hamilton confirms Wednesday, 8 Aug is day 6 of 8.
8.03 Mon 9 Jul 2012 Wed 18 Jul 2012 Jensen is directing again. His episodes film first so he has time to do prep, but this was the third episode of the season. There were several tweets from the first day of filming, including a tweet from Kevin Parks, a tweet from Russ Hamilton, a tweet from Jim Michaels, and a tweet from Tara Larsen. Ending filming date was tweeted by Kevin Parks.
8.04 Mon 13 Aug 2012 Tues 21 Aug 2012 Computed days from end of 8.02 to start of 8.05. Because of the very different shooting style of this episode, apparently they took only 7 days for this ep.
8.05 Wed 22 Aug 2012 Fri 31 Aug 2012 This tweet from Director Guy Bee said he would start shooting on the 22nd. Guy tweeted a photo of the Day 1 of 8 call-sheet on Aug 22nd. (The call-sheet says shooting start time for Day 1 is noon and "lunch" is at 5pm.) Kevin Parks tweeted it was Day 6 on Wed, 29 Aug. Tara Larsen posted a tweet on Friday, 31 Aug that it was the last day for this episode. Guy tweeted another photo of the Day 8 of 8 call-sheet on the Aug 31st (with a shooting start time for Day 8 of 3:00pm and "lunch" at 7pm).
8.06 Tues 4 Sep 2012 Thurs 13 Sept 2012 Monday 3 Sept was a holiday for Labor Day. Tara Larsen tweeted on Tuesday 4 Sept that they were starting shooting. Another tweet from Tara Larsen said 13 Sept was the last day of shooting for this episode.
8.07 Fri 14 Sep 2012 Tues 25 Sept 2012 This tweet from someone at the Dallas convention on 23 Sept says Jared said they have two more days to film on this ep, which would make the last day 25 Sept. This tweet from Amanda Tapping said the 21st Sept was her first shooting day. Jensen told a story at the Dallas Con about the wind machines used in the scene when he got out of purgatory and that it was shot on 17 Sept.
8.08 Wed 26 Sep 2012 Fri 5 Oct 2012 Assuming an 8 day shooting schedule. This tweet from Jim Michaels on 3 Oct says that at the end of today they are 1/3 of the way through shooting season 8. 23 episodes * 8 days - 1 for the strange schedule of 8.04 (7 days apparently, or overlapped shooting) means the season has 183 shooting days, and 1/3 is 61 days completed. That would make Oct 3rd be day 6 of 8 for this episode. This tweet from Jim Michaels said they are going to be working with Mike Farrell. This tweet from Tara Larsen contains a photo of the episode number (8.08) along with the episode title.
8.09 Tues 9 Oct 2012 Thurs 18 Oct 2012 Second Monday in Oct (8 Oct) is Canadian Thanksgiving. On 17 Oct Jim Michaels said in a tweet that they were shooting 8.09.
8.10 Fri 19 Oct 2012 Tues 30 Oct 2012 doing the math with 8 day shooting schedule and no breaks. Several tweets during this time mentioned scouting and casting for the next episode (8.11).
8.11 Wed 31 Oct 2012 Fri 9 Nov 2012 This tweet from Jim Michaels confirms 31 Oct was the first day of shooting this episode. Guest star Felicia Day (@feliciaday) tweeted on Halloween (the first day) and again on 5 Nov that she was working on her episode.
8.12 Mon 13 Nov 2012
(thru 16 Nov)
Thurs 29 Nov 2012
(from 26 Nov)
This tweet from Jared confirmed Tues 13 Nov was day 1 of ep 12. Several tweets from Kevin Parks mention the long weekend (Mon 12 Nov was a holiday), and a tweet from Clif confirmed they are taking all of (American) Thanksgiving week off (19-23 Nov this year). So for this episode, 4 days were before the break, 4 days after. A tweet on Monday, 26 Nov from Jerry Wanek confirmed they were back at work.
8.13 Wed 12 Dec 2012 Fri 21 Dec 2012 Episodes 8.13 and 8.14 were shot out of order (8.14 first) so tweets relating to this and the next episode can be confusing. The production numbers are different from the airing order numbers (which is what is listed here.) Several tweets about Fri 21 Dec being the last filming date before the Holiday break, including this one at 3 mins past midnight from Russ Hamilton. This tweet from Werner ten Hoeve (@wern_r) and surrounding tweets talk about the visual effects they are doing for this episode and about the reverse in the order. This tweet from Jim Michaels said they had unexpected snow in the episode directed by Phil Sgriccia, which confirms this episode was shot after ep 8.14.
8.14 Fri 30 Nov 2012 Tues 11 Dec 2012 Note this episode was shot before 8.13 but aired as 8.14. This tweet from Tara Larsen on 30 Nov said it was the first day of the new episode and contains a photo of director Kevin Parks. This tweet from Jim Michaels said it's Day 1 of the next episode. Another tweet from one of the crew with a slate marking Scene 1 of the episode. In this tweet and this followup tweet producer Jim Michaels said they've never shot the opening scene of the episode as the first shot of the first day before. (Scenes are generally filmed out of order for time, availability of locations or actors, etc.) This tweet on Mon, 3 Dec said they're shooting Day 2. This tweet on Tues, 11 Dec said they were shooting the last day of this ep.
8.15 Tues 8 Jan 2013 Thurs 17 Jan 2013 This tweet from Russ Hamilton said Tues 8 Jan was the first day of 8.15. Both Js went to the People's Choice awards in LA on Wed 9 Jan. Kevin Parks tweeted early (6am) on Fri 11 Jan that it was going to be a Fraturday, so apparently they made up for the lost filming time for the PCAs. This tweet on Wed 15 Jan from Clif said the boys were getting over the flu. Jared's voice is noticeably lower in several scenes.
8.16 Fri 18 Jan 2013 Tues 29 Jan 2013 This tweet from Russ Hamilton said Fri 18 Jan was the start of 8.16.
8.17 Wed 30 Jan 2013 Fri 8 Feb 2013 Doing the math from start of ep 8.16 to start of ep 8.18.
8.18 Tues 12 Feb 2013 Thurs 21 Feb 2013 Second Monday in Feb is a BC holiday. This webpage says Jensen said they had a 3 day weekend with Monday off. Tweet from Russ Hamilton on Tues 12 Feb said this was Day 1 of this ep. This tweet from Jim Michaels on Tues 12 Feb said there were 47 more shooting days in this season after today. That would be 8 days * 5 eps left, plus 7 more days on this ep.
8.19 Fri 22 Feb 2013 Tues 5 Mar 2013 The photo in this tweet from the director of 8.19 shows in the small print that shooting on this episode starts Fri 22 Feb. Several tweets by the director confirm the dates. This tweet confirms Tues, 5 Mar is Day 8 of 8. The Harlem Shake video was filmed during the shooting of this episode.
8.20 (guess)
Wed 6 Mar 2013
Fri 15 Mar 2013
8.21 (guess)
Mon 18 Mar 2013
Wed 27 Mar 2013
8.22 (guess)
Thurs 28 Mar 2013
Tues 9 Apr 2013
Production has Good Friday off if Easter happens before the end of filming. In 2013 that's Friday, 29 March.
8.23 (guess)
Wed 10 Apr 2013
Fri 19 Apr 2013
Jim Michaels said at the Con in Rio 2012 that the CW asked for 23 episodes again in Season 8. Filming for the Season finishes on April 19, 2013 source.

Season 9

Supernatural was renewed for Season 9 (!!) on Monday, 11 Feb 2013.

Ep # Start Date End Date Notes
9.01 Summer 2013 Summer 2013 YAY!
9.02 Summer 2013 Summer 2013