The kids are all right

Jamie Foxx, Kevin James and other geezers crash "Nickelodeon's 28th Annual Kids' Choice Awards" and pray to the heavens that they don't get slimed. New categories include most addictive game and favorite talent competition show. 7 p.m. Saturday, Nick

Losing my religion

Tom Cruise and John Travolta take a verbal beating in "Going Clear: Scientology and the Prison of Belief," a devastating documentary that goes as far as any film so far to debunk L. Ron Hubbard's church and how it treats its members. 7 p.m. Sunday, HBO

King of kings

Bill O'Reilly may be most associated with Fox News, but he also has a cozy relationship with the National Geographic Channel, which has had great success adapting his books into film. Now comes his thorough examination titled "Killing Jesus." For comments from cast members, including Kelsey Grammer, see Sunday's Variety section. 7 p.m. Sunday, NGC

What's in store

Jeremy Piven returns for a third season of "Mr. Selfridge," the amusing series about London's groundbreaking department store, Selfridge & Co. New episodes begin with characters adjusting to the end of World War I. 8 p.m. Sunday, TPT, Ch. 2

Neal Justin