THE NIGHTCAP WITH CARLOS KING

OWN, 10 p.m.

New Series! This weekly half-hour late-night series is hosted by Carlos King, creator and executive producer of OWN’S Love & Marriage franchise. In each episode, King invites guests from the network’s most popular shows to let their hair down and break down their juiciest storylines. The series will also feature surprise guests from King’s “little black book” of celebrity friends, who will dish on pop culture headlines and participate in fun games and revealing challenges.

PORTALS TO HELL: “MISSOURI STATE PENITENTIARY”

Travel Channel, 10 p.m.; also streams on discovery+

The team heads to the infamous Missouri State Penitentiary in Jefferson City, Missouri, a place with a history of suffering and violence that goes back over a century. Jack Osbourne and Katrina Weidman look to finally unlock what may be haunting this legendary location.