Winter’s a good time to premiere the six-part sequel “Frozen Planet II” (BBC America, 8 p.m.), with David Attenborough exploring wildlife in the Arctic and Antarctic, starting with a look at polar bears, penguins and snow monkeys. 

Speaking of the outdoors, even the made-for-TV romance “Love in Glacier National: A National Park Romance” (Hallmark, 8 p.m.) with Ashley Newbrough as an avalanche forecaster and Stephen Huszar as director of mountain rescue. 

The other made-for-TV cable movie is “Hoax: The Kidnapping of Sherri Papini” (Lifetime, 8 p.m.) with Jaime King portraying the mother who disappeared while jogging but reappeared three weeks later telling of an abduction, which police eventually did not believe. 

Prime time has both pro and college basketball with Lakers at Celtics (ABC, 8:30 p.m.) opposite Ohio State at Indiana (Fox, 8 p.m.). The rest of the days long roster of games is listed below. 

Figure skating has U.S. Figure Skating Championships (NBC, 2:30 p.m.; USA, 6 p.m.) with the French dance this afternoon and pairs free skate tonight. 

“Rico to the Rescue” (HGTV, 9 p.m.) helps a half-finished A-frame in Colorado. 

A third season starts for the paranormal series “Unexplained: Caught on Camera” (Travel, 9 p.m.), accompanied by the fourth season of “Help! My House is Haunted” (Travel, 10 p.m.).