Behind the fancy hats, mint juleps and two minutes of action, there’s a lot that goes on behind the scenes before the annual Kentucky Derby, often involving immigrants. Raul O. Paz-Pastrana’s film “Backside: The Unseen Hands of Horse Racing” explores all that on “Independent Lens” (PBS, 10 p.m., check local listings).
The musician from Vermont reacts to his sudden success and efforts to record a followup in the music documentary “Noah Kahan: Out of Body” (Netflix, streaming).
Netflix is gearing up for the country’s 250th with a series of documentaries, a few of which debut tonight, from the history survey “America: Our Defining Hours” (Netflix, streaming) and miniseries “The Men Who Built America: Frontiersmen” (Netflix, streaming) to the darker portraits provided by “American Godfathers: The Five Families” (Netflix, streaming, about the mob in New York City, to the series “The Booze, Bets and Sex that Built America” (Netflix, streaming).
The short season of the first season comedy “The Fall and Rise of Reggie Dinkins” (NBC, 8 p.m.) comes to an end with a pair of episodes.
“Rock the Block” (HGTV, 8 p.m.) returns, with designers paired with celebrities if you can call them that: Brooke Hogan, Drew Lachey and the like. Ty Pennington hosts; Lisa Vanderpump is a judge.
It’s barbecue night on “Top Chef” (Bravo, 9:30 p.m.).
A new series about the dark side of the 1990s phenomenon, “Boy Band Confidential: A Hollywood Demons Event” (Investigation Discovery, 9 p.m.) begins with a two hour wpisode.
“Born to Bowl” (HBO, 9 p.m.) concludes with the Tournament of Champions in Aron.
Dave looks at his health on “The Neighborhood” (CBS, 8 p.m.).
“Wild Cards” (CW, 8 p.m.) has its third season finale with one more case.
Tonight is the season premiere of two game shows, “The 1% Club” (Fox, 8 p.m.) with Joel McHale and “The Quiz With Balls” (Fox, 9 p.m.) with Jay Pharoah
The top nine perform on the semifinals of “The Voice” (NBC, 9 p.m.).
“The Rookie” (ABC, 10 p.m.) finds that a suicide leads to a conspiracy.
Barm worries when another office gets a big magazine feature on “DMV” (CBS, 8:30 p.m.).
“American Idol” (ABC, 8 p.m.) has the Top 11 perform hits from Rock & Roll Hall of Fame inductes, the 2026 class of which is announced on the show (which tells you everything about the caliber of the Rock Hall these days).
There’s a troubling breakfast mistake on “Below Deck Down Under” (Bravo, 8 p.m.).
“FBI” (CBS, 9 p.m.) investigates a suspicious religious leader; “CIA” (CBS, 10 p.m.) deals with a bomb threat at an international soccer game.
Chocolate sculptures are the task on “The Ultimate Baking Championship” (Food, 9 p.m.).
“Contraband: Seized at the Airport” (Discovery, 8 p.m.) starts to be affected by tariffs.
The search for El Chapo is considered one of “History’s Greatest Mysteries” (History, 9 p.m.).
“History’s Greatest Warriors” (History, 10 p.m.) profiles the Delta Force.
A sinking airport is one of the “Construction Fails” (National Geographic, 9 p.m.).
Turner Classic Movies’ month-long Monday night salute to Sofia Loren continues with “Arabesque” (8 p.m.), “Houseboat” (10 p.m.), “The Pride and the Passion” (midnight) and “Lady L” (2:15 a.m.).
During the day are films of director David Butler with “Have a Heart” (6 a.m.), “My Wild Irish Rose” (7:30 a.m.), “Look for the Silver Lining” (9:15 a.m.), “Lullaby of Broadway” (11:15 a.m.), “Painting the Clouds with Sunshine” (1 p.m.), “April in Paris” (2:30 p.m.), “King Richard and the Crusaders” (4:15 p.m.) and “The Command” (6:15 p.m.).
Baseball includes Cubs aat Philadelphia (Fox Spors 1, 6:40 p.m.) and Mets at Dodgers (ESPN, 10:10 p.m.).
Hockey has Los Angeles at Seattle (ESPN, 9:30 p.m.).
Tonight is the 2026 WNBA Draft (ESPN, 7 p.m.).
Daytime Talk
Kelly Ripa and Mark Consuelos: Jennie Garth, Phoebe Dynevor. The View: Lena Dunham, Alyssa Farah Griffin. Kelly Clarkson: Joel McHale, Antony Starr, Lawrence Zarian, Jamie MacDonals. Drew Barrymore: Dan Levy, Laurie Metcalf, Jack Innanen, Taylor Ortega. Jennifer Hudson: Halle Bailey, Regé-Jean Page. Tamron Hall: Karli Aylesworth.
Late Talk
Stephen Colbert: Maya Rudolph, Nick Offerman, Jeff Tweedy, Haley Williams, Rachel Dratch. Jimmy Kimmel: Mark Wahlberg, Henry Winkler, Holly Humberstone. Jimmy Fallon: Tracy Morgan, Neve Campbell, Twice (reun). Seth Meyers: Kristin Chenoweth, Tom Blyth (rerun).