On Ally McBeal (9 p.m., Fox), Ally's Internet swain is not the man she thought he was. Ray thinks Debra's in a bad mood because of PMS on Everybody Loves Raymond (9 p.m., CBS). Unless PMS means "pesky Marie syndrome," he's way off. The American Experience (check local listings, PBS) profiles the Yankee Clipper in "Joe DiMaggio: The Hero's Life." Isabel, Michael and Tess race to rescue Max, who has been captured by government agents, on Roswell (9 p.m., WB). John Ritter plays a priest accused of committing murder during an exorcism on Family Law (10 p.m., CBS).
Celebrity Weddings: In Style (8 p.m., ABC) takes you to the nuptials of Vanessa L. Williams and Los Angeles Laker Rick Fox, Jenny McCarthy, David James Elliott and Matchbox 20 singer Rob Thomas. Stop snickering! You know you're going to watch. This distinguished special is followed by the network premiere of My Best Friend's Wedding (9 p.m., ABC) -- do you detect a theme here? -- starring Julia Roberts as a food critic who realizes she still loves her ex and sets out to sabotage his wedding. Co-starring Cameron Diaz and Rupert Everett. The four-part series Video Killed the Radio Star (10 p.m., VH1) examines the history of the music video and the rise of (surprise) MTV.
76ers at Pacers (8 p.m., TBS)
Maple Leafs at Devils (7 p.m., ESPN)
Rosie O'Donnell (syndicated) Rosie's high school reunion
David Letterman (CBS) Betty White, Hanson
Jay Leno (NBC) Emilio Estevez, Connie Nielson
Politically Incorrect (ABC) Jay Mohr, Shelley Long
Conan O'Brien (NBC) Matt Damon, Camryn Manheim (rerun)