Mel Gibson in “Lethal Weapon”

Captain America: Civil War TNT 10 a.m.

The Avengers are rocked by a feud between Captain America (Chris Evans) and Iron Man (Robert Downey Jr.), forcing Black Widow (Scarlett Johansson) and Hawkeye (Jeremy Renner) to pick sides. “Dr. Strange” and “Thor: Ragnarök” immediately follow.

Lethal Weapon AMC 1 p.m.

In the first of a four-part marathon, detective and family man Roger Murtaugh (Danny Glover) is partnered with Martin Riggs (Mel Gibson), a former Green Beret with a death wish. Can they put aside their differences to catch a gang of drug smugglers?

I Am Burt Reynolds KASN (38) 7 p.m.

Through archival footage and interviews with family and friends, this 2021 documentary chronicles the life of late actor Burt Reynolds. It is an intimate portrait of the “Smokey and the Bandit” (1977) actor, who had a prolific career in Hollywood.

48 Hours

KTHV 8 p.m. 9 p.m.

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Journalists investigate shocking criminal cases and compelling real-life drama in a new episode of CBS’S long-running newsmagazine. Presented by Erin Moriarty, Peter Van Sant and others, viewers explore the mysteries that engross a nation.