The Defenders (7 p.m., Ch. 2): A former friend of Nick's tries to use new technological tools to clear his name of murder.
Who Do You Think You Are? (7 p.m., Ch. 5): Actress Vanessa Williams travels to Washington, D.C., and South Carolina while researching her ancestry.
Kitchen Nightmares (7 p.m., Ch. 30): Chef Ramsay travels to Queens, N.Y., to help the inexperienced owners of a steakhouse.
Smallville (7 p.m., Ch. 30): Clark, Lois, Dinah and Oliver all have flashbacks after being released by the VRA.
College volleyball (7 p.m., BYUTV): UCLA at BYU
Super Bowl's Greatest Commercials (8 p.m., Ch. 2): Viewers' votes determine the 10 greatest advertisements that have aired during the Super Bowls.
Fringe (8 p.m., Ch. 13): A scientist dies after ingesting a cloud of blue powder that disintegrates his bones.
Supernatural (8 p.m., Ch. 30): Bobby and Dean wait to see if Death was able to restore Sam's soul without complications.
NBA basketball (8:30 p.m., ESPN and FSN): Jazz at Nuggets
CSI: NY (9 p.m., Ch. 2): The CSIs investigate soggy remains after a tractor-trailer full of exclusive party guests ends up at the bottom of the Hudson River.
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