Simon Cowell is still out two weeks after injuring his back in a bike accident. So his judges’ seat tonight on a live “America’s Got Talent” (NBC, 8 p.m.) will be filled by Kenan Thompson of “Saturday Night Live.” He’ll join the panel alongside Sofia Vergara, Heidi Klum and Howie Mandel. Another 11 finalists will perform.
The team on “Backyard Envy” (Bravo, 10 p.m.) try to make a Tuscan-themed backyard in New Jerse.
There is unfamiliar fish to cook on “Chopped” (Food, 9 p.m.).
A deckhand falls from the stack on “Deadliest Catch” (Discovery, 8 p.m.).
On “Siesta Key” (MTV, 8 p.m.), Jared breaks up with his girlfriend.
There’s a castle to sell on “Million Dollar Listing Los Angeles” (Bravo, 9 p.m.).
Jordan tracks down the littlest pig on “Tell Me a Story” (CW, 9 p.m.).
An earthquake in Las Vegas affects the delivery of the triplets on “Doubling Down with the Derricks” (TLC, 10 p.m.).
There’s some inconsistent mask-wearing on “Hard Knocks: Los Angeles” (HBO, 10 p.m.).
Warren Beatty stars all day on Turner Classic Movies with “Promise Her Anything” (6 a.m.),
“Kaleidoscope” (8 a.m.), “Mickey One” (10 a.m.), “Lilith” (noon), “The Roman Spring of Mrs. Stone” (2 p.m.), “Splendor in the Grass” (3:45 p.m.), “Bonnie and Clyde” (6 p.m.), “Reds” (8 p.m.), “Busy” (11:30 p.m.), “McCabe & Mrs. Miller” (2 a.m.) and “The Fortune” (4:15 a.m.).
Baseball includes Colorado at Houston (MLB, 3 p.m.), San Francisco at Angels (ESPN, 4 p.m.), Tampa Bay at Yankees (ESPN, 7 p.m.) and St. Louis at Cubs (Fox Sports 1, 8 p.m.).
NBA playoffs have Orlando vs. Milwaukee (TNT, 1:30 p.m.), Miami vs. Indiana (TNT, 4 p.m.), Oklahoma City vs. Houston (TNT, 6:30 p.m.) and Lakers vs. Portland (TNT, 9 p.m.).
Stanley Cup Playoffs have Philadelphia vs. Montreal (NBC Sports, 3 p.m.), Calgary vs. Dallas (NBC Sports, 5:30 p.m.), Washington vs. Islanders (NBC Sports, 8 p.m.) and Chicago vs. Vegas (NBC Sports, 10:30 p.m.).
WNBA action has Indiana vs. Connecticut (CBS Sports, 7 p.m.) and Las Vegas vs. Chicago (ESPN2, 9 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Glenn Close, Yara Shahidi, Katie Brown (rerun). The Talk: Trichina Arnold, Beth Behrs (rerun). Ellen DeGeneres: Steve Carell, Ashley Graham (rerun). Kelly Clarkson: Alanis Morissette, Hilary Farr, David Visentin, Sam Jay. Tamron Hall: Paul Reiser, Padma Lakshmi, Emmanuel Acho (rerun). Wendy Williams: Kenya Moore (rerun). The Real: Kron Moore (rerun).
Late Talk
Stephen Colbert: Sen. Elizabeth Warren, Regina Spektor. Jimmy Kimmel: Stacey Abrams, Chloe x Halle, Kerry Washington. Jimmy Fallon: Hugh Jackman, Lili Reinhart, Kuju Banton. Seth Meyers: Russell Crowe, Patton Oswalt, the Lemon Twigs, Thomas Land. James Corden: Joseph Gordon-Levitt, Jeremy Zucker. Lilly Singh: Lana Condor, Sofia Carson (rerun). Conan O’Brien: John Lithgow (rerun).