* [http://tvafterdark.com/supernatural-10x07-girls-girls-girls-synopsis/ Episode Synopsis]
* [http://www.ksitetv.com/supernatural/supernatural-girls-girls-girls-preview-images/47439 Promo images] * [http://www.youtube.com/watch?v=SD-9wItI7F8 Episode trailer] * [http://www.youtube.com/watch?v=SD-9wItI7F8 Episode Sneak peek]