Jason Alexander guests on a rerun of Friends (8 p.m., NBC). Will & Grace (9 p.m., NBC) reruns the one with Cher. On a rerun of CSI (9 p.m., CBS), a disruptive airline passenger dies in flight and Grissom thinks it was murder. Weaver inadvertently puts sweatshop workers in danger on a repeat of ER (10 p.m., NBC). 48 Hours (10 p.m., CBS) profiles celebrity offspring, including Laila Ali, Victoria Gotti and Pete Rose Jr. All Access (10 p.m., VH1) presents "Struggling Singer Songwriter," a look at the tough road facing troubadours in the age of pop. Dave Matthews, Alanis Morissette and James Taylor are among those interviewed.
Jackie Chan goes after Nazi gold in the 1992 Hong Kong actioner Operation Condor (8 p.m., Fox).
Cubs at Reds (7 p.m., Fox Family)
Mets at Braves (7:30 p.m., TBS)
Wimbledon (11 a.m., TNT)
Rosie O'Donnell (syndicated) James Van Der Beek (rerun)
David Letterman (CBS) Sean Hayes, Brian Wilson
Jay Leno (NBC) Kobe Bryant, William H. Macy
Politically Incorrect (ABC) Joe Queenan, Tavis Smiley
Conan O'Brien (NBC) Marlon Wayans, Green Day
Craig Kilborn (CBS) Kirsten Dunst
All times Eastern unless noted.