[s1e15] Masquerade -

Alaric attempts to kill Damon but is killed himself. He remarkably comes back to life, revealing for the first time the power of his protective Gilbert Ring.

In The Vampire Diaries , is widely considered one of the series' most pivotal episodes, though it is technically Season 2, Episode 7 , not Season 1. If you are looking for the 15th episode of Season 1, that is titled " A Few Good Men " . Season 2, Episode 7: "Masquerade" [S1E15] Masquerade

Katherine has a witch named Lucy cast a binding spell, linking Katherine’s physical body to Elena’s. Every injury Stefan and Damon inflict on Katherine is mirrored on Elena, forcing them to stop their attack. Alaric attempts to kill Damon but is killed himself

This episode is a high-stakes turning point where the main cast finally coordinates to take down Katherine Pierce. If you are looking for the 15th episode