“American Ninja Warrior” (NBC, 8 p.m.) begins semifinals in Los Angeles.

The fins keep coming on SharkFest with a second season of “Shark Attack Files” (National Geographic, 8 p.m.) and a special “World’s Biggest Hammerhead?” (National Geographic, 10 p.m.).

The new series “Caught in the Act: Unfaithful” (VH1, 9 p.m.) sounds like a variation on the old “Cheaters” in which host Tami Roman helps suspicious people ambush their partners with their side interests. 

“Claim to Fame” (ABC, 10 p.m.) reacts to the first elimination.

A swimsuit pageant for the remaining 29 guys is the latest embarrassment on “The Bachelorette” (ABC, 8 p.m.).

Liz seeks Shivani to help find scientific answers on “Roswell, New Mexico” (CW, 8 p.m.).

“In the Dark” (CW, 9 p.m.) continues with Murphy’s trial. 

Action seems to be accelerating on “Better Call Saul” (AMC, 9 p.m.).

“Below Deck Mediterranean” (Bravo, 8 p.m.) deals with the loss of ship stabilizers.

Sixty teams compete at a festival on “BBQ USA” (Food, 9 p.m.).

“Modern Marvels” (History, 8 p.m.) looks at the development of freight trains. 

Pedro and Chanel drift further apart on “The Family Chantel” (TLC, 8 p.m.). 

“Rich & Shameless” (TNT, 10 p.m.) looks into a bitcoin mystery.

Mira is inspired by the spirit of “Irma Rep” (HBO, 9 p.m.).

“Basketball Wives” (VH1, 8 p.m.) get a surprise trip.  

New information about coercive investigations further complicate the feelings in Beatrice on “Mind Over Murder” (HBO, 10 p.m.). 

A pediatric ER nurse gets a backyard upgrade on “The Great Giveback with Melissa McCarthy and Jenna Perusich” (HGTV, 9 p.m.). 

Turner Classic Movies’ survey of rock in movies reaches the 1970s with “Tommy” (8 p.m.), “Sid and Nancy” (10 p.m.), “The Harder They Come” (midnight), “Performance” (2 a.m.), “Jubilee” (4 a.m.) and “ABBA: The Movie” (6 a.m.). 

During the day are the films of Red Skelton, born this day in 1913, with “Ship Ahoy” (6:15 a.m.), “Whistling in Dixie” (8 a.m.), “I Dood It” (9:30 a.m.), “Lovely to Look At” (11:15 a.m.), “Ziegfeld Follies” (1 p.m.), “Neptune’s Daughter” (3 p.m.), “Three Little Words” (4:45 p.m.) and “Texas Carnival” (6:30 p.m.). 

Women’s soccer includes Italy vs. Belgium (ESPN2, 3 p.m.), Venezuela vs. Brazil (Fox Sports 1, 5 p.m.) and Peru vs. Uruguay (Fox Sports 1, 7:50 p.m.). 

It’s U.S. vs. Canada (Paramount+, 10 p.m.) in the Concacaf W Championship men’s final.  

Day 4 of the track and field world championships (USA, 9 a.m.) includes the women’s marathon.                                                                                            

Daytime Talk

Kelly Ripa and Ryan Seacrest: Billy Bob Thornton, Joe Keery, Dr. Wendy Bazilian. The View: Sen. Raphael Warnock. The Talk: Kim Fields, Christela Alonzo, Justin Baldoni. Ellen DeGeneres: Jared Leto (rerun). Drew Barrymore: Chris and Joanna Gaines (rerun). Kelly Clarkson: Nicolas Cage, Ms. Pat, Duff Goldman, Lawrence Zarian (rerun). 

Late Talk

Stephen Colbert: Billy Crystal, Paul Hollywood. Jimmy Kimmel: Quentin Tarantino, Julia Garner, Domi & JD Beck with Anderson Paak, Dana Carvey. Jimmy Fallon: Jane Fonda, Joe Keery, Saucy Santana. Seth Meyers: Billy Bob Thornton, Nikki Glaser, Andrew Marshall. James Corden: Olivia Rodrigo, Renate Reinsve, cast of Cirque du Collie’s OVO (rerun).