TV Plot Twists of 2015: ‘Grey’s Anatomy,’ ‘NCIS,’ ‘Vampire Diaries’ | TVLine 

Glen falls into a horde of zombies to his... horrific death? [

[Watch his portrayer\'s name disappear from the credits for several episodes.]

Camilla is Mimi\'s wife — and (sorry, Lucious!) she\'s taking over the company.

Barry accidentally time-travels for the first time — after he and Iris profess their feelings for each other and kiss, and after Barry reveals his speedster secret.

Eli confesses to Alicia that he deleted Will\'s "I love you" email from her phone — from way back in Season 2!

After saving multiple victims at an accident site, Derek is killed after an 18-wheeler plows into his car (and he\'s sent to a hospital without a trauma unit)! Things couldn\'t get worse for Meredith, right? Well....

Callie\'s new girlfriend is "the doctor who killed Derek"!

Bedelia closes out the series at a banquet — and her leg is the main course!

Ward “lives”... but is now host to the Inhuman alien parasite thingy!

Jeff falls off a roof (R.I.P.!) trying to stop Juliette from falling off a roof.

A random case most unexpectedly reunites Tony with his ex, Jeanne Benoit.

Shaw dies (or “dies”) in a brave blaze of glory, but not before giving Root a kiss goodbye.

Olivia gets an abortion — and we didn\'t even know she was pregnant!

Caroline is (unknowingly) pregnant with Alaric and Jo\'s twins!

Glen falls into a horde of zombies to his... horrific death? [Cue Jeopardy! theme.]