TV Best Bets

DC’s Stargirl

Having gotten a seductive taste of the superhero life, Mike (Trae Romano) begs Pat (Luke Wilson) to let him join the team in the new episode “Summer School: Chapter Three.” Elsewhere, after seeking help from Thunderbolt (voice of guest star Jim Gaffigan), the JSA team prepares to confront The Shade (guest star Jonathan Cake). Brec Bassinger, Yvette Monreal, Cameron Gellman, Anjelika Washington, Amy Smart and Meg DeLacy also star. (TVPG) 8 p.m. on KSKN.

North Woods Law: Wildside

On Mount Washington, Officer Glen Lucas races to rescue an injured teenager who is living with autism in the new episode “Confrontations and Confessions.” Elsewhere, a major ATV accident report comes in, and a pair of hunters are confronted after being caught in a lie. Meanwhile, Officer Ron Arsenault handles some teen anglers who refuse to give up some necessary information. (TV14) 8 p.m. on ANIML.

Deadliest Catch

An Arctic storm blasts the fleet as Sig Hansen ventures into deep waters he hasn’t fished in 17 years in a new episode called “Winter’s Gambit.” Meanwhile, Capt. Johnathan Hillstrand steers the Time Bandit into menacing 30-foot waves as he attempts a Hail Mary run toward Russia. Capt. Keith Colburn attempts a risky maneuver to save the Wizard’s pots. (TV14) 8 p.m. on DSC.

Supergirl

Supergirl and Zor-El (Melissa Benoist, Jason Behr) return to National City, determined to put the trauma of the Phantom Zone behind them and enjoy the shared superhero life in the new episode “Welcome Back, Kara.” Unfortunately, their efforts turn a mite too overzealous, inadvertently creating a whole new threat to the city. Chyler Leigh also stars. (TVPG) 9 p.m. on KSKN.

Fantasy Island

Eileen (guest star Debbi Morgan), a flamboyant eccentric, arrives on the island hoping to spend time with her estranged daughter and her family, but they’re not remotely interested in that idea, in the new episode “Quantum Entanglement.” The new arrivals also include Charles (guest star Cliff Chamberlain), a depressed physics professor seeking reassurance that the universe has something greater out there for him. Roselyn Sanchez and Kiara Barnes star; Mieko Hillman, Rodrigo Rojas, Katira Maria and John Gabriel Rodriguez also guest star. (TV14) 9 p.m. on KAYU.

The Real Housewives of New York City

Leah clashes bitterly with her mother during a family dinner, while Luann takes up a (literally) sobering new business venture in a new episode called “Be Mine, Galentine.” Elsewhere, Sonja has an untimely brush with COVID-19, spurring a close-knit girls trip back to Ramona’s vacation home in the Hamptons. (TV14) 9 p.m. on BRAVO.

Motherland: Fort Salem

In the Season 2 finale, “Revolution, Part 1,” the Camarilla brings the fight to Fort Salem. As the conflict builds, Raelle, Abigail, Tally (Taylor Hickson, Ashley Nicole Williams, Jessica Sutton) and many of their allies are forced to make some nearly impossible, potentially world-changing choices. Amalia Holm and Demetria McKinney also star. (TV14) 10 p.m. on FREE.

A crane removing a pot from the stack as the Summer Bay crew sets its gear in “Deadliest Catch” in 2017.