“Celebrity IOU” (HGTV, 9 p.m.) returns for a new season.
A winner is named on “The Julia Child Challenge” (Food, 9 p.m.), receiving a trip to study at Le Cordon Bleu in Paris.
“NCIS: Hawai’i” (CBS, 10 p.m.) finds a shipwreck carrying exotic animals.
A cousin gets some support after coming out as gay on “Bob Hearts Abishola” (CBS, 8:30 p.m.).
“American Song Contest” (NBC, 8 p.m.) wraps up the live qualifiers part of the show.
“9-1-1” (Fox, 8 p.m.) helps a woman who fell off her penthouse balcony.
Mediation between two brothers gets complicated on “The Neighborhood” (CBS, 8 p.m.).
“American Idol” (ABC, 8 p.m.) cuts the Top 20 to 10 tonight after a night of performances.
Host E.J. Wilson imagines himself amid the police riot on the Edmund Pettus Bridge in Selma, Ala., in 1965 on tonight’s edition of “I Was There” (History, 10 p.m.).
Elena hints her endgame on “The Endgame” (NBC, 10 p.ml).
“9-1-1: Lone Star” (Fox, 9 p.m.) responds to emergencies at fast food drive-thrus.
Damon does research into his adoption on “All American: Homecoming” (CW, 9 p.m.).
“NCIS” (CBS, 9 p.m.) keeps an eye on an arms dealer who has been released from prison.
An iron lung needs a tune-up on “The Good Doctor” (ABC, 10 p.m.).
On “All-American” (CW, 8 p.m.), sponsorships become lucrative.
Gary crushes his finger on “Below Deck: Sailing Yacht” (Bravo, 8 p.m.).
“Summer House” (Bravo, 9 p.m.) approaches its final weekend.
The Monday night Errol Flynn showcase on Turner Classic Movies continues with “Dodge City” (8 p.m.), “Santa Fe Trail” (10 p.m.), “They Died with Their Boots On” (noon), “San Antonio” (2:30 a.m.), “Virginia City” (4:30 a.m.) and “Silver River” (6:45 a.m.).
Earlier are the films of Katharine Hepburn — and Tracy Hepburn — with “Little Women” (6 a.m.), “Woman of the Year” (8 a.m.), “Love in the Afternoon” (10 a.m.), “Bringing Up Baby” (12:15 p.m.), “Green Mansions” (2 p.m.), “Wait Until Dark” (4 p.m.) and “The Philadelphia Story” (6 p.m.).
There’s morning baseball with the Red Sox annual Patriot’s Day games Minnesota at Boston (MLB, 11 a.m.). Other baseball today includes Atlanta at Dodgers (MLB, 10 p.m.).
NBA Playoffs have Toronto at Philadelphia (TNT, 7:30 p.m.), Utah at Dallas (NBA, 8:30 p.m.) and Denver at Golden State (TNT, 10 p.m.).
Hockey includes Washington at Colorado (NHL, 9 p.m.).
The USFL is stretching out its opening weekend with Pittsburgh vs. Tampa Bay (Fox Sports 1, 7 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Diane Kruger, Quincy Isaiah. The View: Seth Meyers, Alyssa Farah Griffin (rerun). The Talk: Randy Jackson, Peter Bergman, Susan Walters. Ellen DeGeneres: Anthony Anderson, Kaitlyn Deven, Muna. Drew Barrymore: Garcelle Beauvais, Dana Carvey, David Spade. Kelly Clarkson: Mike Epps, Rachel Bloom, Lisa Welchel, Ben Abraham. Tamron Hall: Michelle Hord. Wendy Williams: Ja Rule, Remy Ma, Fat Joe (rerun). The Real: Jessica Simpson, AJ “Akua” Johnson.
Late Talk
Stephen Colbert: Julia Roberts, Wilco. Jimmy Kimmel: Kaley Cuoco, Giancarlo Esposito, Orville Peck. Jimmy Fallon: Sam Rockwell, Pamela Adolf, Gang of Youths. Seth Meyers: Jordan Klepper, Aric Improta. James Corden: Camila Cabello, daisy Edgar-Jones, Pedro Pascal, Toni Cornell.