NFL (6 p.m., NFL Network): Bengals at Steelers

Survivor: Gabon (7 p.m., Ch. 2): One contestant could throw the game into disarray by changing alliances; another hopeful is voted out.

Ugly Betty (7 p.m., Ch. 4): Marc and Betty compete for a spot in the Young Editors Training Program.

My Name Is Earl (7 p.m., Ch. 5): Tornadoes touch down.

Smallville (7 p.m., Ch. 30): Unexpected guests crash Chloe and Jimmy's wedding.

Women's college volleyball (7 p.m., The mtn.): Colorado State at BYU

CSI (8 p.m., Ch. 2): A double murder appears linked to an earlier case.

Grey's Anatomy (8 p.m., Ch. 4): A routine surgery goes awry.

The Office (8 p.m., Ch. 5): There's an office battle over a dirty microwave.

Supernatural (8 p.m., Ch. 30): Sam and Dean figure out why Castiel and Uriel want Anna dead.

30 Rock (8:31 p.m., Ch. 5): An eccentric businessman invites Jack and Liz to a dinner party.

Eleventh Hour (9:01 p.m., Ch. 2): A government experiment to enhance the abilities of soldiers turns deadly.

Life on Mars (9:01 p.m., Ch. 4): Sam suspects a father may be involved in the kidnapping of his infant son.

ER (9:01 p.m., Ch. 5): Gates is obsessed with finding a homeless war vet.