On Friends (8 p.m., NBC), Ross goes into hiding to escape the wrath of Elizabeth's psychotic father (Bruce Willis), and Monica secretly makes wedding plans for her and Chandler. Brooke and Sam try to stop their parents from marrying each other by planting false evidence of Brooke's father's infidelity on Popular (8 p.m., WB). On Chicago Hope (9 p.m., CBS), the hospital's parent company puts Hope up for sale. Hathaway is increasingly distracted at work, Greene takes time off to care for his dying father and Mallucci treats an incest victim on ER (10 p.m., NBC).
TV Guide's the Truth Behind the Sitcoms 5 (9 p.m., Fox) digs up dirt about backstage turmoil on "Welcome Back, Kotter," "The Facts of Life" and "Roseanne" (yeah, that one's a surprise).
Flyers at Penguins (7:30 p.m., ESPN)
Bucks at Pacers (8 p.m., TNT)
Rosie O'Donnell (syndicated) Kim Basinger, Drew Carey, Dana Carvey
David Letterman (CBS) Julia Louis-Dreyfus
Jay Leno (NBC) John Travolta, Hallie Eisenberg
Politically Incorrect (ABC) Daryl "Chill" Mitchell, Mike Farrell
Conan O'Brien (NBC) Kevin James