During an interview with E! Online, series showrunner Julie Plec revealed that TVD star Nina Dobrev would be crossing over to The Originals for the show’s fifth episode of season 2. Dobrev will be playing the original doppelgänger Tatia.
“There’s a lot of people that could cross over, and when we plan our crossovers, we like to think of the most clever way to integrate The Vampire Diaries mythology into The Originals mythology,” Plec said.
In season 3 of The Vampire Diaries, it was explained that both Klaus (Joseph Morgan) and Elijah (Daniel Gillies) had fallen in love with Tatia, but her blood was used by the boy’s mother in a spell to prevent Klaus from turning into a hybrid.
The Originals season 2, episode 1 “Rebirth” airs Monday, October 6 at 8PM EST and The Vampire Diaries season 6, episode 1 “I’ll Remembers” airs Tuesday, October 2 at 8PM EST.