John Lennon’s connection to the number nine is considered one of “Music Greatest Mysteries” (AXStv, 8 p.m.).
“Tales from the Explorer’s Club” (Discovery, 8 p.m.) settles into its regular time slot
A new season begins for the true crime series “Disappeared” (Investigation Discovery, 10 p.m.), starting with the disappearance of a young woman in Indianapolis.
“The Real Housewives of Dubai” (Bravo, 9 p.m.) concludes its reunion episodes.
Jonathan Knight and Kristina Crestin restore a 1790s cottage on “Farmhouse Fixer” (HGTV, 9 p.m.).
A first season finale comes for Phoebe Robinson’s comedy “Everything’s Trash” (Freeform, 10:30 p.m.).
On “Stargirl” (CW, 8 p.m.), the JSA starts to look for potential suspects after a suspicious murder.
A rescued harbor seal pup joins “The Zoo” (Animal Planet, 8 p.m.).
“Haus of Vicious” (BET, 8 p.m.) deals with Kane’s betrayal.
The sinking of the cruise ferry MS Estonia is explored on “Mysteries of the Deep” (Discovery, 9 p.m.).
“Guy’s Ultimate Game Night” (Food, 9 p.m.) is played by Kevin Smith, Jason Mews, Nichelle Turner and Kyle Whitley, among others.
“No-Recipe Road Trip with the Try Guys” (Food, 10 p.m.) goes to Charleston, SC to figure out hot wings.
Junior is objectified on “Grown-ish” (Freeform, 10 p.m.).
“Welcome to Wrexham” (FX, 10 p.m.) welcomes an important partnership.
It’s mommy-daughter day on “Archer” (FXX, 10 p.m.).
“Resident Alien” (Syfy, 10 p.m.) considers parenthood.
The streaming series “Strangest Things” (Science, 9 p.m.) — not to be confused with the Netflix hit with a very similar name — makes its cable TV premiere.
Mir wants to ditch his comb-over on “Bad Hair Day” (TLC, 10 p.m.).
Turner Classic Movies salutes the era of sound pictures with a series that unfolds through the night: “Soundies: A Musical History” (8 p.m.), “Soundies: Before They Were Stars” (9:30 p.m.) and “Soundies — Battle of the Band Leaders, Part One” (11:45 p.m.), along with the films “Romance on the High Seas” (9:50 p.m.) and “Orchestra Wives” (12:10 a.m.).
Earlier, TCM celebrate the work of director Elia Kazan, born this day in 1909 with “Blues in the Night” (7 a.m.), “Splendor in the Grass” (8:45 a.m.), “The Sea of Grass” (11 a.m.), “The Arrangement” (1:15 p.m.), “East of Eden” (3:30 p.m.) and “A Streetcar Named Desire” (5:45 p.m.).
Baseball includes Arizona at San Diego (Fox Sports 1, 8:30 p.m.).
The U.S. Open (ESPN, noon; 7 p.m.) continues men’s and women’s quarterfinals.
Daytime Talk
Kelly Ripa and Ryan Seacrest: Susan Sarandon, Jesse Palmer. The View: Hillary Clinton, Chelsea Clinton. The Talk: Joel Kim Booster (rerun). Ellen DeGeneres: Oprah Winfrey, Mila Kunis (rerun). Drew Barrymore: Isaiah Garza (rerun). Kelly Clarkson: Ken Jeong, Jake Johnson, Natasha Leggero, Josh Brolin, Nikki Glaser, Greg Kinnear, Gordon Ramsay.
Late Talk
Stephen Colbert: Gayle King, Tony Dokoupil, Nate Burleson, Betty Gilpin. Jimmy Kimmel: Brie Larson, Josh Duhamel, Mackelmore. Jimmy Fallon: Susan Sarandon, Julio Torrres, Fletcher. Seth Meyers: Danny DeVito, Tegan & Sara, Raghav Mehrotra. James Corden: Pete Buttigieg: Simone Biles, Jessie Baylin.