Changes

|outline= Dean and Sam investigate what seems to be a werewolf killing but turns out to be a skinwalker posing as a family dog.

Afterwards, Sam tells Dean that he's been considering the situation and says that Dean is right: without a soul, he's not really Sam anymore. He tells Dean admits that he really doesn't care about the things he liked before and he doesn't care about Lisa, Ben , or even Dean. Sam reveals that he has done terrible things and killed innocent peoplein the last year, something that the real Sam would never do , and despite how hard it was living with a soul , he, thinks it's better to return try to being be "that Sam" again. Dean agrees that they need to find a way to return Sam's soul to him.

'''Crowley''' : (to Sam): You'd sell your brother for a dollar right now if you really needed a soda.}}{{TriviaQuote |Text='''Crowley:''' (to Dean) You need to stop thinking of this as some kind of deal. This is a hostage situation, you arrogant little thug. I own your brother, do you understand me?}}

The Title title of the episode is also the name of a [http://www.imdb.com/title/tt0096787/ 1989 animated film].

Sam tells Dean that he still likes the same [[Music]] he always has. This is probably a bit of an injoke by the writers as while much is made of Dean's love of classic rock, Sam's musical tastes are a mystery. The only time we get an idea of his musical tastes is in [[4.01 Lazarus Rising]] when Dean is appalled to find an mp3 player in the [[Impala]], which is playing a song by [[jason Manns]]. <br> At [[Comic Con 2007]], Kripke said Sam listened to "whatever cool modern music is. I don’t know any of them because I don’t listen to anything after 1980..." See [[Music]] for more.}}{{TriviaQuote |Text='''SamDean:''' Dogs and cats living together. Mass hysteriaLet me get dressed, Robocop.<br> This line is originally from Bill Murray as Dr Venkman in [http://www.imdb.com/title/tt0087332tt0093870/GhostbustersRobocop] was the main character in a movie of the same name about a cop who is wounded and then made into a powerful cyborg. Dean also calls Sam "RoboSam" in [[6.07 Family Matters]]. (}}{{TriviaQuote |Text=The Winchesters use the aliases Agents Holt and Wilson. [http://wwwen.wikipedia.org/wiki/John_Holt_%28singer%29 John Holt] and [http://en.youtubewikipedia.comorg/wiki/watch?v=O3ZOKDmorj0 Watch clipDelroy_Wilson Delroy Wilson])are Jamacian reggae singer/songwriters.

'''Dean:''' YouI're a sleeper cellm getting cirrhosis just watching this.<br>A [http://en.wikipedia.org/wiki/Clandestine_cell_system sleeper cellCirrhosis Cirrhosis] is a team consequence of operatives (usually spies or terrorists) that lies dormant in a target population living out seemingly ordinary everyday lives until they are given instructions chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue, and regenerative nodules leading to act and carry out their missionloss of liver function. One of the common causes of cirrhosis is alcoholism.

'''Sam tells Dean that he still likes the same [[Music]] he always has. This is probably a bit of an injoke by the writers as while much is made of Dean:''s love of classic rock, Sam's musical tastes are a mystery. The only time we get an idea of his musical tastes is in [[4.01 Lazarus Rising]] when Dean is appalled to find an mp3 player in the [[Impala]]Masterful deduction, which is playing a song by [[jason Manns]]Sherlock. <br>  At [[Comic Con 2007]], Kripke said Sam listened to "whatever cool modern music is. I don’t know any of them because I don’t listen to anything after 1980.http://en.wikipedia." See [[Musicorg/wiki/Sherlock_Holmes Sherlock Holmes]] for moreis a fictional detective created by Scottish author and physician Sir Arthur Conan Doyle.

The Winchesters use the alises Agents Holt '''Sam:''' Dogs and Wilsoncats living together. Mass hysteria. <br> This line is originally from Bill Murray as Dr Venkman in [http://enwww.wikipediaimdb.orgcom/title/wikitt0087332/John_Holt_%28singer%29 John HoltGhostbusters] and . ([http://enwww.wikipediayoutube.org/wikicom/Delroy_Wilson Delroy Wilsonwatch?v=O3ZOKDmorj0 Watch clip] are Jamacian reggae singer/songwriters.)

'''Dean:''' Let me get dressed, RobocopYou're a sleeper cell.<br> A [http://wwwen.imdbwikipedia.com/titleorg/tt0093870wiki/ RobocopClandestine_cell_system sleeper cell] was the main character in is a movie team of the same name about operatives (usually spies or terrorists) that lies dormant in a cop who is wounded target population living out seemingly ordinary everyday lives until they are given instructions to act and then made into a powerful cyborgcarry out their mission.

Sam is referring to [[Madison]] in [[2.17 Heart]], who transformed into a [[Werewolves|Werewolf]] after she and [[Sam]] have had sex.

'''Sam:''' Just got the low down lowdown from Bobby. They can change anywhere, anytime. Skinwalkers infect you with a single bite. Otherwise, they're basically a werewolf cousin -- Silver will drop 'em, they chow hearts like snausages. <br>