Tonight’s Bets

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30 for 30

ESPN 8 p.m.

This episode tells the colorful story of a true sports original: basketball Hall of Famer Bill Walton. He was a game-changing big man for the UCLA dynasty, but he was an injury-plagued NBA lightning rod defined by championships and setbacks.

7 Little Johnstons

TLC 8 p.m.

Trent is not excited by the results after he weighs himself, so he visits a nutritionist and receives some alarming news in this new episode. Then, Alex and Allie celebrate their four-month anniversary, and the siblings ask about a special milestone.

Dancing Queens

BRAVO 9 p.m.

Sabrina’s victory in New Orleans fuels her determination to dispel any notion of luck, yet familial guilt threatens to undermine her prospects. Colette’s surprising move aims to forge a connection with Pooja.

Couples Retreat

MTV 9 p.m.

In this new episode, AJ tries to work out what’s really going on with Shamari when Ronnie’s work forces him to take a hiatus from the retreat. Then Apollo opens up about prison, but it leaves Sherien feeling like she’s the one doing time.

Gotham Knights

WUAB 9 p.m.

Shocking information is revealed when Duela (Olivia Rose Keegan) has a birthday reunion with her mom. Stephanie (Anna Lore) is at odds with Harper (Fallon Smythe) when she is forced to choose between her family and the Knights.

Hot Wheels: Ultimate

Challenge WCMH WKYC 10 p.m.

Sixteen contestants compete to transform their cars into the life-sized Hot Wheels of their dreams in the hopes of winning a life-changing cash prize — and seeing their creation made into a Hot Wheels die-cast toy that anyone can buy.