Thomas-Rhett-and-Kelsea-Ballerini-CMA-Fest-2017-on-ABC-instagram-promo-video-2017-07-12-photo-by-Jason-SimanekA four day event in Nashville from June is distilled into three hours on the CMA Fest 2018 (ABC, 8 p.m.) with performances from Carrie Underwood, Jason Aldean, Sam Hunt, Luke Bryan, Florida Georgia Line, Keith Urban, Dierks Bentley, Chris Stapleton, Dwight Yoakum and many more. Thomas Rhett and Kelsea Ballerini host.

Forty teams unleash their warrior creations in “Robot Wars” (Science, 10 p.m.).

Julian is thrust into a new world on the second episode of this season’s “The Sinner” (USA, 10 p.m.).

“Full Frontal with Samantha Bee” (TBS, 10:30 p.m.) speeds its way through three topics: women in the workplace, the common element of Trump scandals and Sean Spicer’s book.

The town honors Sheriff Pangborn on “Castle Rock” (Hulu, streaming).

There are more duels on “World of Dance” (NBC, 8 p.m.).

Louis tries to overcome a setback on “Suits” (USA, 9 p.m.).

“Reverie” (NBC, 10 p.m.) ends its first season with a kidnapping.

Monarch butterflies are only part of the glory of the mountains on “Wonders of Mexico” (PBS, 9 p.m., check local listings). There are also volcanoes, black bears and fancy birds.

A visit is also made to the “Outback” (PBS, 8 p.m., check local listings) and not the steak house.

Joanna gets the soil tested on “Burden of Truth” (CW, 8 p.m.).

The 13 remaining contestants try deep frying tonight on “MasterChef” (Fox, 8 p.m.).

“Cheap Eats” (Cooking, 10 p.m.) returns for its fifth season.

Arizona mining communities are the site for Tim McClellan’s new renovation show “Boomtown Builder” (DIY, 10 p.m.).

A power of veto competition is held, even though the nominations have already been hacked on “Big Brother” (CBS, 8 p.m.).

“Mysteries at the Museum” (Travel, 9 p.m.) finds the connection between Columbus and a mermaid.

Ramona shows off her Hamptons place on “The Real Housewives of New York City” (Bravo, 9 p.m.).

A restaurant and bar in Hermosa Beach gets a hand on “Gordon Ramsay’s 24 Hours to Hell & Back” (Fox, 9 p.m.).

“Ozzy and Jack’s World Detour” (A&E, 9 p.m.) winds up in Florida, but Ozzy won’t come out of his room.

Anthony Anderson and Christina Milian join “Martha & Snoop’s Potluck Party” (VH1, 9 p.m.) and then Lil Rel and Kat Graham show up at 9:30 p.m.

“Wahlburgers” (A&E, 10 p.m.) opens at the Mall of America.

Jeanette MacDonald stars on a musical day on Turner Classic Movies with “The Cat and the Fiddle” (6 a.m.), “The Firefly” (7:45 a.m.), “The Merry Widow” (10 a.m.), “Smilin’ Through” (noon), “San Francisco” (2 p.m.), “Cairo” (4 p.m.), “The Sun Comes Up” (6 p.m.), “Maytime” (8 p.m.), “Rose Marie” (10:30 p.m.), “Naughty Marietta” (12:30 a.m.), “New Moon” (2:30 a.m.) and “I Married an Angel” (4:30 a.m.).

Baseball includes Philadelphia at Arizona (MLB, 3:30 p.m.) and Dodgers at Oakland (MLB, 10 p.m.).

In golf, the U.S. Women’s Amateur (Fox Sports 1, 4 p.m.) reaches its round of 64.

WNBA action has Connecticut at Dallas (NBA, 8 p.m.).

In soccer’s Women’s Under-20 World Cup, it’s Brazil vs. England (Fox Sports 2, 7:30 a.m.), North Korea vs. Mexico (Fox Sports 2, 10:30 a.m.), France vs. New Zealand (Fox Sports 2, 1:30 p.m.) and Netherlands vs. Ghana (Fox Sports 2, 7 p.m.).

There are a couple of southwestern regional finals in Little League (ESPN, 1 and 3 p.m.).

And in cycling, the Tour of Utah (Fox Sports 2, 3:30 p.m.) reaches stage 2.

Daytime Talk

Kelly Ripa and Ryan Seacrest: Nina Dobrev, Bill Pullman, Chris Young, Maria Menounos. The View: Alan Dershowitz (rerun). The Talk: Alan Cumming, Kandi Burns (rerun). Harry Connick: Chris Meloni, Michael McDonald (rerun). Steve Harvey: Brooke Burke, Tamar Braxton, Julissa Bermudez, Lawrence Page (rerun). Ellen DeGeneres: Mindy Kaling, David Spade, Michael Ray (rerun). Wendy Williams: Janet Mock (rerun). The Real: Iyania Venzant, Mel B (rerun).

Late Talk

Stephen Colbert: Jim Acosta, Nina Dobrev. Jimmy Kimmel: Kristen Bell, John David Washington, Brett Eldridge. Jimmy Fallon: Ryan Seacrest, Ruby Rose, Rae Sremmurd. Seth Meyers: Seth Rogen, Alyssa Milano, Chef Angle Mar, Joey Castillo. James Corden: Ray Romano, Chloe Grace Moretz, Lord Huron. Carson Daly: Aasif Mandvi, Ashe, June Diane Raphael (rerun). Trevor Noah: Big Boi. Conan O’Brien: Nick Offerman, Moshe Kasher, Reel Battle (rerun).