Supernatural (TV series)/Recap/S02/E14 Born Under a Bad Sign

Season 2, Episode 14:

Born Under a Bad Sign
Sam disappears for a week, and has no idea what he did when Dean finds him. When they investigate, it looks like the evil inside Sam has finally taken over,.

Tropes
"Jo: Don't be such a baby."
 * Attempted Rape: Implied to have been where was going with poor Jo.
 * Bound and Gagged: Jo
 * Laser-Guided Amnesia: The main storyline is that Sam can't remember what the hell happened in the past week.
 * Open Heart Dentistry: Dean gets his shoulder patched up by Jo after he gets shot and then almost drowns.
 * Open Heart Dentistry: Dean gets his shoulder patched up by Jo after he gets shot and then almost drowns.

"Bobby: Don't try to con a con man."
 * Revenge: What claims to be after. Of course, even that's questionable, given the character...
 * : A rare non-rapey example: Bobby