The three hour documentary “Cursed Gold: A Shipwreck Scandal” (National Geographic, 8 p.m.) tells the tale of a scientist who found three tons of gold from a 1857 shipwreck and eventually landed in prison.
Minnesota Gov. Tim Walz, the vice presidential nominee, gives his acceptance speech tonight at the Democratic National Convention (PBS, CNN, CSPAN, MSNBC, 8 p.m.; ABC, NBC, 9 p.m.; CBS, 10 p.m.)
From Brazil, the third and final season of the time-travel series “Back to 15” (Netflix, streaming), where Anita and her friends have been sent to university.
“Who Wants to be a Millionaire” (ABC, 8 p.m.) is played by Ray Romano, Brad Garrett, Jason Ritter and Natasha Leggero.
Blue Moon beer is an ingredient (and likely sponsor on a two hour “MasterChef: Generations” (Fox, 8 p.m.).
“The Real CSI: Miami” (CBS, 9 p.m.) looks into an execution style killing of two young women.
The alliances have sure come and gone on “Big Brother” (CBS, 8 p.m.). Quinn, Cam and Brooklyn compete for the power of veto tonight, as nominated by Tucker.
“America’s Got Talent” (NBC, 8 p.m.) reveals those who did well in Tuesday’s voting.
A turkey burger is at the heart of one of the cases on “Ms. Pat Settles It” (BET, 10 p.m.).
“Million Dollar Listing Los Angeles” (Bravo, 9 p.m.) looks for a buyer for an off-market property in Encino.
Ben digs up an eyewitness on “Expedition Bigfoot” (Discovery, 10 p.m.).
“Expedition X” (Discovery, 9 p.m.) continues investigating an asylum.
Wayne comes to terms with the loss of his grandmother on “Wayne Brady: The Family Remix” (Freeform, 10 p.m.).
“The Ark” (Syfy, 10 p.m.) gets a distress call from a desolate planet.
José Ferrer is featured on Turner Classic Movies’ Summer Under the Stars for the first time with “The Swarm” (6 a.m.), “Miss Sadie Thompson” (8 a.m.), “Deep in My Heart” (9:45 a.m.), “The Cockleshell Heroes” (12:15 p.m.), “The High Cost of Loving” (2:15 p.m.), “Crisis” (4 p.m.), “I Accuse!” (6 p.m.), “Moulin Rouge” (8 p.m.), “Cyrano de Bergerac” (10:15 p.m.), “The Great Man” (12:15 a.m.), “The Caine Mutiny” (2 a.m.) and “A Midsummer Night’s Sex Comedy” (4:15 a.m.).
Baseball includes Boston at Houston (MLB, 2:10 p.m.), Cleveland at Yankees (Prime Video, 7:05 p.m.), Milwaukee at St. Louis (Fox Sports 1, 7:30 p.m.) and Seattle at Dodgers (MLB, 10:10 p.m.).
WNBA action has Minnesota at Las Vegas (ESPN, 9:30 p.m.).
Daytime Talk
Kelly Ripa and Mark Consuelos: Naomi Watts, Vivica A. Fox, Chrissy Teigen, Dr. Melina Jampolis. The View: Busta Rhymes, Caroline Wanga, Judy Gołd (rerun). Drew Barrymore: Jason Momoa, Gracie Abrams (rerun). Kelly Clarkson: Jon Bon Jovi, Jennifer Esposito, cast of “The Outsiders” (rerun). Jennifer Hudson: Babyface (rerun). Tamron Hall: Luann de Lesseps, Jonathan Cheban, Zoe Grinfield (rerun).
Late Talk
Stephen Colbert: Pete Buttigieg, Chance the Rapper. Jimmy Kimmel: Diane Lane, Aunjanue Ellis Taylor, Big Sean, RuPaul. Jimmy Fallon: Jenna Ortega, Jason Schwartzman, Melanie Hammock, Thomas Rhett. Seth Meyers: Channing Tatum, Sabrina Ionesco. Taylor TomlinsonL Kristen Schaal, Flula Borg, Leo González (rerun). Daily Show: Maryland Gov. Wes Moore.