Elena and Damon end up in a lake (maybe a pond?) in The Vampire Diaries episode “The Hybrid.”
The Vampire Diaries Season 3 Episode Guide
The Vampire Diaries Season 3 Episode 2 The Hybrid Summary: Klaus puts a plan in motion that will give him even more power (’cause he’s power hungry), but even with the unwilling participation of werewolf Ray Sutton, things don’t go exactly as Klaus had planned. Somehow, Elena and Damon end up in a lake. Sexy! Alaric and Damon hesitantly go along with Elena’s search for Stefan, but her plan may end up putting Damon in danger. Jeremy asks for Matt’s help to find out what his ghosts want from him, and Caroline needs Tyler’s help.
Original Air Date: September 22 on The CW