The fact that she's pregnant doesn't stop Rachel from going out with a soap opera hunk on Friends (8 p.m., NBC). The tribes get eaten by lions -- or maybe not -- on Survivor: Africa (8 p.m., CBS). Did you hear the one about the dead scuba diver in the tree? Catherine and Nick do, on CSI (9 p.m., CBS). Susan has a run-in with Weaver on her first day back on ER (10 p.m., NBC) Frontline (10 p.m., PBS, check local listings) presents "Trail of a Terrorist," a Canadian TV report about the foiling of the December 1999 "millennium" terrorist plot to blow up American targets on New Year's Eve.
Rangers at Blues (7:30 p.m., ESPN2)
Canucks at Avalanche (10 p.m., ESPN2
Rosie O'Donnell (syndicated) Tia Carrere, Matthew Lillard
David Letterman (CBS) Farrah Fawcett, Tina Fey, Garbage (rerun)
Jay Leno (NBC) Michael Douglas, Jessica Alba (rerun)
Politically Incorrect (ABC) Alec Baldwin, Malcolm McDowell
Conan O'Brien (NBC) Rosie O'Donnell, Breckin Meyer (rerun)
Craig Kilborn (CBS) David Boreanaz, Dave Grohl (rerun)
All times Eastern unless noted.