FlashForward (8:00 p.m. EST, ABC)

On tonight’s episode, Vogel (Michael Ealy) and Mark (the incredibly hot Joseph Fiennes) make a plan to ferret out the FBI spy—and put it into motion. However, the trap might just alienate Mark from his co-workers. Meanwhile, Mark moves out of his home in order to protect his family, and Keiko (Yuko Takeuchi) tries to find a job in L.A.

Vampire Diaries (8:00 p.m. EST, CW)

Stefan (Paul Wesley) and Damon (Ian Somerhalder) find themselves facing a new, dangerous enemy, which leads to a hazardous situation for Stefan. Elena (Nina Dobrev) does her best to get Alaric (Matthew Davis) to help with the situation. Meanwhile, Caroline’s (Candice Accola) car breaks down during a storm, leading to her making a shocking discovery, and Matt’s (Zach Roerig) mom visits.

Fringe (9:00 p.m. EST, FOX)

A woman passes away, and the cause is a disease that she apparently never had. Not surprisingly, the division is totally baffled. Meanwhile, Olivia (Anna Torv) tries her hardest to keep the secret she knows about Peter (Joshua Jackson, who I’ve had a crush on for years) to herself. But we all know how hard it is to keep a secret…