It's Doggie Deanlittle, a.k.a. the episode where Dean can talk to animals. Check out the official guide for Supernatural Season 9 Episode 5, "Dog Dean Afternoon," airing November 5 on the CW.
- While investigating two bizarre murders, Sam (Jared Padalecki) and Dean (Jensen Ackles) realize there is an eyewitness to both gruesome deaths – a German Sheppard.
- Anxious to find out if they are dealing with a witch, a skinwalker or other supernatural monster, the guys look up a spell that could let Dean “communicate” with the dog.
- Unfortunately, the spell comes with side effects that no one saw coming.