The Middle: Other students in Axl's (Charlie McDermott) class have started getting accepted to colleges, but he hasn't yet, causing Frankie and Mike (Patricia Heaton, Neil Flynn) to fear that he's missed his chance for an athletic scholarship in this new episode (8 p.m. ABC).
American Idol: The Hollywood round begins in this new episode (8 p.m. Fox).
Nature: In the last of three episodes looking back on his life and career, Sir David Attenborough reflects on the effect that human beings have had on the natural world during his lifetime (8 p.m. KOCE).
Criminal Minds: Series star Thomas Gibson directed this new episode in which a writer's (Ken Olin) daughter disappears on the anniversary of the day his wife went missing (9 p.m. CBS).
Supernatural: While investigating the death of a rabbi (Hal Linden) by spontaneous combustion, Sam and Dean (Jared Padalecki, Jensen Ackles) learn that he had been doing research on Nazi necromancers in this new episode (9 p.m. KTLA).
Nova: Scientists and engineers build and test two replicas of Egyptian royal chariots in this new episode (9 p.m. KOCE).
CSI: Crime Scene Investigation: In a crossover with "CSI: NY," Russell's (Ted Danson) counterpart, Mac Taylor (Gary Sinise), comes to Las Vegas to surprise his girlfriend, but she has gone missing. Elisabeth Shue and George Eads also star this new episode (10 p.m. CBS).
College basketball: Baylor at Oklahoma State (4 p.m. ESPN); UNLV at Fresno State (6 p.m. TWSN); Boise State at San Diego State (8 p.m. TWSN).