Fall 2012 TV Spoilers Roundup: Juicy Plot Reveals From Glee, The Vampire Diaries, Once Upon a Time, and More!

Where we left off: In the second most shocking Dexter finale ever (the first being when Dex finds Rita dead in their bathtub, courtesy of the Trinity Killer), Deb (Jennifer Carpenter) walks in on Dexter (Michael C. Hall) slaying his latest victim. Even twistier? She was about to tell her adoptive brother that she loves him. Like, more than sisterly love.

Return date: Sunday, September 30 at 9 p.m. ET/PT on Showtime

Dexter Season 7 spoilers:
- Crazy first look! How will Deb react to seeing Dexter in his serial killer element?