HighlightsTonight, "1 vs. 100"(Channel 4 at 8) makes strange bedfellows, gathering Dr. Ruth Westheimer, rap troupe Three 6 Mafia and gossip blogger Perez Hilton to take part in the fun. The search is underway on "Ghost Whisperer"(Channel 9 at 8) as Jim and Melinda try to track down a corpse missing from the morgue.
On "Close to Home" (Channel 9 at 9), Annabeth prosecutes a prep school dean accused of murdering his wife.
Last weekend's NBA All-Star Game shenanigans might be a blurry memory, but the drama continues on "Las Vegas"(Channel 4 at 9) when Ed soldiers through the Montecito's company picnic, despite the sudden death of someone in the organization.
"Monk"(USA at 9) tries to snag a serial killer before he strikes again -- and before forensic scientists beat him to the punch.
Truth is stranger than fiction on "Law & Order"(Channel 4 at 10) when Detectives Green and Cassady investigate the murder of a book publisher.
On "Numb3rs"(Channel 9 at 10), the son of a hip-hop record mogul is kidnapped and held for ransom.
Another son goes missing on "Psych" (USA at 10): Shawn and Gus try to help a man whose gambling son vanished with Dad's savings.
"Politics Hour With Mark Plotkin"(Channel 8 at 11) hosts former Virginia governor and 2008 presidential hopeful Jim Gilmore; plus an interview with D.C. Mayor Adrian Fenty.
The premiere of "Spoons"(BBC America at 11) digs for laughs with sketch comedy based on the romantic and professional blunders of young British urbanites.
"The Tonight Show With JayLeno"(Channel 4, 11:35) hosts House Speaker Nancy Pelosi, actor William H. Macy and musical guest John Mellencamp.
Actor Samuel L. Jackson and comedian Jim Gaffigan visit "The Late Show With David Letterman"(Channel 9, 11:35).
-- Chris Richards