Henry "The Fonz" Winkler is profiled on a new Biography (8 p.m., A&E). Animal Planet's "Croc Week" continues with Crocodiles of the Revolution (8 p.m., Animal Planet), hosted by Steve Irwin. Ally gets a new therapist (guest Betty White) and Billy comes to the conclusion that he's a male chauvinist on a rerun of Ally McBeal (9 p.m., Fox). Everybody Loves Raymond (9 p.m., CBS) repeats the one where Debra's mastery of a complicated Italian dish has the men drooling and Marie steaming. Road Rules (10 p.m., MTV) begins a new season with some changes, including a new character called "The Roadmaster" who decrees what challenges the cast will face, and a new $100,000 jackpot should the cast get through the season alive. The new comedy series The League of Gentlemen (10:30 p.m., Comedy Central) premieres. The work of a British trio of sketch comics, the series is set in a Monty Pythonesque fictional village inhabited by some very bizarre characters.
In the second episode of the British reality series The 1900 House (check local times, PBS), the Bowler family moves into a Victorian house that has been stripped of all modern comforts and lives as a family would in 1900. Chamber pots, anyone? Peter Fonda hosts the four-part series The Rockies (9 p.m., History Channel), which chronicles the history of the mountain chain.
Braves at Phillies (7:30 p.m., TBS)
Rosie O'Donnell (syndicated) Ricky Martin
David Letterman (CBS) Busta Rhymes
Jay Leno (NBC) Steve Young
Politically Incorrect (ABC) Wayne Brady, Beth Littleford
Craig Kilborn (CBS) Freddie Prinze Jr.