OtherTwoBehind every kid superstar are siblings who didn’t fare as well. That’s the premise of “The Other Two” (Comedy Central, 10:30 p.m.),  a deeply cynical and well observed comedy former “SNL” head writers Chris Kelly and Sarah Schneider about the nature of contemporary success and celebrity starring Heléne Yorke and Drew Tarver, with lots of cameos from people like Molly Shannon, Ken Marino and Richard Kind.

Its premiere comes after the final season start for “Broad City” (Comedy Central, 10 p.m.) in which plans are afoot for Abbi’s 30th birthday.

Are we interested in what a mass murderer had to say before his 1989 execution? If so, there is the four-part “Conversations with a Killer: The Ted Bundy Tapes” (Netflix, streaming).

“The Good Place” (NBC, 9:30 p.m.) ends its season, and if past seasons are an indication, they usually do it with a flourish.

A third season starts for TV’s leading mermaid series, “Siren” (Freeform, 8 p.m.), where the biggest threat is the environment.

Jake and Gina attend their 20th high school reunion on “Brooklyn Nine-Nine” (NBC, 9 p.m.).

Fights break out on “Ex on the Beach” (MTV, 8 p.m.).

Gordon and Penguin are forced to work together on “Gotham” (Fox, 8 p.m.).

On “Grey’s Anatomy” (ABC, 8 p.m.), Delia steps up in the O.R.

Dean bonds with Mary and Donna on “Supernatural” (CW, 8 p.m.).

Six more compete on “The Titan Games” (NBC, 8 p.m.).

“Top Chef” (Bravo, 8 p.m.) competes on houseboats.

A man in rural Illinois is “Building Off the Grid” (Discovery, 9 p.m.).

On the first of two episodes of “Fam” (CBS, 8:30 and 9:30 p.m.), Clem and Nick trie to get Walt’s watch back from the pawn shop.

Hope and Alaric search for Landon on “Legacies” (CW, 9 p.m.).

Not sure what motivates patients seeing “Dr. Pimple Popper” (TLC, 9 p.m.) to sign waivers allowing them to be on TV to show they world their maladies.

A new crew member joins “The Orville” (Fox, 9 p.m.).

A new episode of “A Million Little Things” (ABC, 9 p.m.) shows Jon struggling in his personal and work life just before his death.

“Lip Sync Battle” (Paramount, 9 p.m.) pits Jermaine Dupri vs. Darren Criss.

The month-long Thursday night Sword and Sandal spotlight on Turner Classic Movies concentrates on the famous strong man with “Hercules, Samson & Ulysses” (8 p.m.), “Tyrant of Lydia Against the Son of Hercules” (9:45 p.m.), “Terror of Rome Against the Son of Hercules” (11:30 p.m.), “Hercules Against the Mogols” (1:30 a.m.) and “Hercules Against the Barbarian” (3:15 a.m.).

Earlier, it’s all about wayward princesses  with “New Moon” (6 a.m.), “Midnight Shadow” (7:30 a.m.), “We Were Dancing” (8:30 a.m.), “Dream Wife” (10:15 a.m.), “Naughty Marietta” (noon), “Her Highness and the Bellboy” (2 p.m.), “Beau Brummell” (4 p.m.) and “Kismet” (6 p.m.).

NBA action has Golden State at Washington (TNT, 8 p.m.) and Minnesota at Lakers (TNT, 10:30 p.m.).

The NFL Pro Bowl Skills Showdown (Disney XD, 9 p.m.) is held in Orlando.

The Australian Open (Tennis, 11 p.m.; ESPN, 3:30 a.m.) has the mixed doubles semifinals and women’s doubles championship late tonight and the men’s singles semifinal in the middle of the night.

Men’s college basketball includes Michigan State at Iowa (Fox Sports 1, 7 p.m.), Tulsa at Cincinnati (ESPN2, 7 p.m.), Gardner-Webb at Winthrop (ESPNU, 7 p.m.), Memphis at Temple (CBS Sports, 7 p.m.), Marshall at Louisiana Tech (CBS Sports, 9 p.m.), Arizona at Southern California (Fox Sports 1, 9 p.m.), Belmont at Murray State (ESPNU, 9 p.m.), Washington at Oregon (ESPN2, 9 p.m.), Saint Mary’s at BYU (ESPN2, 11 p.m.) and Arizona State at UCLA (Fox Sports 1, 11 p.m.).

Women’s games include Notre Dame at Tennessee (ESPN, 7 p.m.).

The U.S. figure skating championships (NBC Sports, 5 and 9 p.m.) has the pairs short program and women’s short program.

Day 1 begins at the X Games (ESPN, 10 p.m.) with freestyle skiing and women’s snowboarding.

Daytime Talk

Kelly Ripa and Ryan Seacrest: Matt LeBlanc, Ilana Glazer. The View: Chris Cuomo. The Talk: Sonequa Martin-Green, Brooke Shields. Ellen DeGeneres: Debra Messing, Future. Wendy Williams: Robin Givens, Nikki Dinki (rerun). The Real: Soulja Boy.

Late Talk

Stephen Colbert: Michael Moore, Ken Marino, Dermot Kennedy. Jimmy Kimmel: Chris Pine, Lena Headey, Kellen Erskine. Jimmy Fallon: Jada Pinkett Smith, Backstreet Boys. Seth Meyers: Ellie Kemper, Claire McCaskill, Young the Giant, Venzella Joy. James Corden: Neil Patrick Harris, Chelsea Peretti, Adam Newman. Carson Daly: Jameela Jamil, Julien Baker, Hera Hilmar (rerun). Trevor Noah: Chuck Todd. Conan O’Brien: Bill Hader.