Today on TV

Survivor (7 p.m., Ch. 2): The fallout from Randy's departure pits two allies against one another; another contestant is voted out.

Ugly Betty (7 p.m., Ch. 4): Amanda and Betty team up.

My Name Is Earl (7 p.m., Ch. 5): Earl finds an old friend.

CSI (8 p.m., Ch. 2): A present-day murder is tied to one 50 years ago.

Grey's Anatomy (8 p.m., Ch. 4): Cristina is forced to decide who will get the first solo surgery. And it's looking more and more like this show has jumped the shark — I don't know if it's possible to recover from the ridiculous plotline in which Izzie is cheating on Alex with Denny. And Denny's dead. And Denny and Izzie are sleeping together. Even though Denny's dead. Really.

The Office (8 p.m., Ch. 5): Dwight helps Andy and Angela with their wedding plans.

30 Rock (8:31 p.m., Ch. 5): Jack convinces Liz that she should go to her high school reunion.

Eleventh Hour (9:01 p.m., Ch. 2): College students who haven't gone near the water are dying of the bends.

ER (9:01 p.m., Ch. 5): Neela has to testify in her malpractice case.