[s4e21] She's Come Undone -

In The Vampire Diaries S4E21, Elena struggles to regain her humanity during an intervention by Damon and Stefan, while Pretty Little Liars S4E21 focuses on Aria’s emotional collapse following Ezra’s betrayal. Both episodes share the title "She's Come Undone," which is also the title of a 1992 debut novel by Wally Lamb. Read the full reviews for The Vampire Diaries at Den of Geek and Pretty Little Liars at Rotten Tomatoes .

The Vampire Diaries season 4 episode 21 review - Den of Geek [S4E21] She's Come Undone