SERIES

Don’t be surprised if you hear a contestant say, “I don’t think I can stay here if it’s gonna be this hot!” on “Survivor: Africa” (8 p.m. CBS), the third edition of the unscripted series.

The father of the baby Rachel (Jennifer Aniston) is carrying learns about the pregnancy on “Friends” (8 p.m. NBC).

Swimming with sharks? A high school biology teacher dives right in on the premiere of “Ultimate Reality” (10 p.m. A&E;), a weekly series that gives ordinary people the chance to act out their wildest notions.

MOVIES

The 1995 documentary “The Celluloid Closet” (5 and 10:15 p.m. IFC) examines the portrayal of homosexuality in cinema. Lily Tomlin narrates.

Cary Grant and Ingrid Bergman are “Indiscreet” (9 p.m. AMC) in Stanley Donen’s 1958 romantic comedy, while Alec Baldwin and Nicole Kidman team up in the 1993 thriller “Malice” (9 p.m. TMC).