'The Vampire Diaries' 100th Episode Airs Tonight - JJJ's Favorite Moments Ever!

Tonight marks the milestone 100th episode of our longtime must-watch show – The Vamprire Diaries!

In “500 Years of Solitude,” as she faces a new crisis, Katherine (Nina Dobrev) remembers the traumatic night in 1490 when she gave birth to the daughter who was immediately taken from her.

PHOTOS: Check out the latest pics of The Vampire Diaries

Stefan (Paul Wesley) lets Elena, Caroline (Candice Accola) and Bonnie (Kat Graham) know that Katherine’s health has taken a turn for the worse, while Damon (Ian Somerhalder) Matt (Zach Roerig) and Jeremy (Steven R. McQueen) discuss some of Katherine’s most notorious moments.

Nadia (Olga Fonda) comes up with a frightening plan to protect her mother, and Stefan and Elena are forced to help her. Meanwhile, Caroline is mortified when she realizes she forgot to fill Elena in on the latest shocking gossip, then indulges in a little scandalous behavior of her own.

Finally, Elena and Katherine share an unexpected moment of connection.

The Vampire Diaries airs TONIGHT @ 8PM on The CW!

Click through below to see JJJ‘s favorite TVD moments from each season so far! We had trouble narrowing it down because there were so many!

WHAT IS YOUR FAVORITE Vampire Diaries moment ever?