Biography (8 p.m., A&E) continues "Planet of the Apes" week with a new profile of Tim Burton, director of the "Apes" remake (and "Edward Scissorhands," "Batman" and "Ed Wood," among other films). The Downer Channel (8:30 p.m., NBC) spoofs the fear of clowns. Nova (9 p.m., PBS, check local listings) reruns a December 2000 report on anorexia that includes interviews with patients and a look at new approaches to eating disorders. The Sunrise Killer continues to make short work of the valiant and extremely deluded "detectives" on Murder in Small Town X (9 p.m., Fox).
Johnny Depp does a decent Buster Keaton impersonation in the sweet 1993 romantic comedy Benny & Joon (8 p.m., WB), about a mentally ill woman (Mary Stuart Masterson) who falls in love with a guy who, well, thinks he's Buster Keaton.
Braves at Cardinals (8 p.m., TBS)
Rosie O'Donnell (syndicated) Matthew Broderick, Tisha Campbell (rerun)
David Letterman (CBS) Sean "P. Diddy" Combs, Daljit Dhaliwal
Jay Leno (NBC) Arsenio Hall, Blu Cantrell
Politically Incorrect (ABC) Steven R. Schirripa, Jerry Capeci
Conan O'Brien (NBC) Martha Stewart, Amy Sedaris (rerun)
Craig Kilborn (CBS) Jerry O'Connell, David Garza
All times Eastern unless noted.