Muhammad Ali's daughter Laila Ali is profiled on Intimate Portraits (7 p.m., Lifetime). The new hourlong comedy Go Fish (8 p.m., NBC) stars Kieran Culkin as a high school freshman trying to live up to his legendary older brother, who is now a teacher at the same school. The series was created by Adam Herz ("American Pie"); costarring Andy Dick, Kristin Lehman, Will Friedle and Joe Flaherty, late of "Freaks and Geeks," as Dad. Dateline NBC (10 p.m., NBC) has a report on distracted drivers, so if you're reading this while you're behind the wheel, log off now. P.O.V. (10 p.m., PBS, check local listings) begins a new season with "Scout's Honor," a documentary about a Scout and a scoutmaster challenging the Boy Scouts' policy of excluding gays.
The two-hour Bill Moyers Reports: Earth on Edge (8 p.m., PBS, check local listings) looks at what we're doing to the planet, and it isn't a pretty picture. The report coincides with troubling ecosystem assessments issued by the World Bank, the World Resources Institute and United Nations agencies. Steve Harvey and Cedric the Entertainer host the first annual BET Awards (8 p.m., Black Entertainment Television). Whitney Houston receives a lifetime achievement award; performers include Destiny's Child, Sisqo and Eve.
Marlins at Braves (7:30 p.m., TBS)
Rosie O'Donnell (syndicated) Martha Stewart, Sugar Ray (rerun)
David Letterman (CBS) David Sedaris
Jay Leno (NBC) Paul Reubens, Dave Navarro
Politically Incorrect (ABC) Leeza Gibbons, Andrew Farriss
Conan O'Brien (NBC) Martin Short, Dominic Chianese
Craig Kilborn (CBS) Dido, Tim Stack
All times Eastern unless noted.