| Episode cast overview, first billed only: | |||
| Jared Padalecki | ... | Sam Winchester / Gary Frankle | |
| Jensen Ackles | ... | Dean Winchester | |
| Colton James | ... | Gary Frankle / Sam Winchester | |
| Sarah Drew | ... | Nora / Demon | |
| Patricia Harras | ... | Donna | |
| Eileen Pedde | ... | Mrs. Frankle | |
| Greg Kean | ... | Mr. Frankle | |
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Alex Arsenault | ... | Trevor |
| Debra Donohue | ... | Crystal | |
| James Clayton | ... | Bartender | |
| Lydia Doesburg | ... | Katie | |
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Tanya Geisinger-McKie | ... | Waitress |
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Ian Robison | ... | Donna's Husband |
| Steve Adams | ... | Deputy | |
| Daniela Bobadilla | ... | Sydney Frankle | |
In Massachusetts, seventeen year-old nerd Gary uses witchcraft to swap bodies with Sam. Gary has lots of fun with the sexy Crystal and following Dean, who is hunting the witch Maggie Briggs. Meanwhile, Sam is trapped in the body of the teenager and trying to find out how Gary had succeeded in the black magic, and also trying to communicate with Dean. When Sam meets Gary's friends Trevor and Nora, he discovers that the intention of the teenagers that are playing a deadly game with the witchcraft. Written by Claudio Carvalho, Rio de Janeiro, Brazil
Sure the basic premise of Sam and Gary switching bodies results in a few very funny scenes. "I would love to have the sex with you" is a classic line of the series. But the episode is one of those case within a case stories that shortchanges both. These two really are tonally discordant and they don't fit. More pressing I don't think the writers handle Gary well. The resolution to his story feels to slight and pat. It feels like a cheat that Sam and Dean only warned him.