At an event where less than a month ago he was expected to be accepting the nomination, President Biden will instead give a kind of handoff speech on the opening day of the Democratic National Convention (PBS, CNN, CSPAN, MSNBC, 8 p.m.; ABC, CBS, NBC, 10 p.m.), before Vice President Kamala Harris accepts the presidential nomination later this week in Chicago. 

Aside from that historic keynote, speakers for Monday, which has the theme of “For the People,” include First Lady Jill Biden, former Secretary of State Hillary Clinton and Chicago Mayor Brandon Johnson. Later, Clinton will be guest on “The Late Show with Stephen Colbert” (CBS, 11:35 p.m.) which will be live from the Windy City all week. 

From the creators of “The Circle” comes a similar gambit, a reality competition called “The Anonymous” (USA, 11 p.m.) in which contestants talk trash about one another online, but hide those identities when they meet up in person. 

A third season starts for the New Zealand series “Under the Vines” (AcornTV, streaming) about a socialite and lawyer running a vineyard. 

“The Bachelorette” (ABC, 8 p.m.) has her home visits, and reduces the field to three. 

All seven seasons of the well-praised police drama “Homicide: Life on the Street” (Peacock, streaming), starring Andre Braugher, Ned Beatty and Richard belter, become available, as does the 2000 TV movie that served as its finale “Homicide: The Movie” (Peacock, streaming). 

“History’s Greatest Escapes with Morgan Freeman” (History, 9 p.m.) looks at a daring mass escape at the Sobibor concentration camp in Poland. 

Logan wonders whether he should go to trial on “61st Street” (CW, 9 p.m.).

“American Ninja Warrior” (NBC, 8 p.m.) begins its national finals in Las Vegas. 

Other game shows tonight include “Name That Tune” (Fox, 8 p.m.) and “The 1% Club” (Fox, 9 p.m.). 

“Houses of Horror: Secrets of College Greek Life” (A&E, 9 p.m.) recalls the hazing incident that ended in death. 

Nate wants Simone to let Amara know about her health on “All American: Homecoming” (CW, 8 p.m.). 

“Intervention” (A&E, 8 p.m.) helps a couple. 

A big storm upends “Below Deck Mediterranean” (Bravo, 9 p.m.). 

Judge Carson Kressley is in the dunk tank on “BBQ Brawl” (Food, 9 p.m.). 

On the first of two episodes of “Contraband: Seized at the Border” (Discovery, 8 p.m.) a new recruit gets lucky on her first seizure.

Wanda Sykes helps renovate the house of an honorary niece on “Celebrity IOU” (HGTV, 9 p.m.). 

“Gangland Chronicles” (History, 9 p.m.) tells the story of Hell’s Angels. 

Kayleigh has a successful C-section on “Unexpected” (TLC, 9 p.m.). 

Jac’ells’ wedding day arrives on “Basketball Wives” (VH1, 8 p.m.). 

Silent star John Gilbert is the focus all day on Turner Classic Movies’ Summer Under the Stars with “The Show” (6 a.m.), “Downstairs” (7:30 a.m.), “Way for a Sailor” (9 a.m.), “Gentleman’s Fate” (10:30 a.m.), “Bar” (12:15 p.m.), “The Merry Widow” (2 p.m.), “Queen Christina” (4:30 p.m.), “A Woman of Affairs” (6:15 p.m.), “Love” (8 p.m.), “Flesh and the Devil” (9:30 p.m.), “The Big Parade” (11:30 p.m.), “La Bohéme” (2:15 a.m.) and “The Cossacks” (4 a.m.). 

Baseball has Arizona at Miami (MLB, 6:40 p.m.), Baltimore at Mets (MLB, 7 p.m.) and Minnesota at San Diego (Fox Sports 1, 9:30 p.m.).

Auto racing has the NASCAR FireKeepers Casino 400 (USA, 11 a.m.).

There is first round qualifying action in tennis’ U.S. Open (ESPN2, 11 a.m.; ESPNews, 1 p.m.).

The American Legion world series semifinals has Midland, Mich. vs. League City, Tex. (ESPNU, 4 p.m.) and Wilmington, Del. vs. Troy, Ala. (ESPNU, 7 p.m.).

The Little League World Series has Tokyo vs. Barquisimeto, Venezuela (ESPN, 1 p.m.), Henderson, Nev. vs. Walluku, Hawaii (ESPN, 3 p.m.), Taoyuan, Taiwan vs. Santa Clara, Cuba (ESPN, 5 p.m.) and Lake Mary, Fla. vs Boerne, Tex. (ESPN, 7 p.m.).

Daytime Talk

Kelly Ripa and Mark Consuelos: Sutton Foster, Joseph Yoon. The View: Ice T, Jim Sciutto (rerun). Drew Barrymore: Gwyneth Paltrow, Nicole Avant (rerun). Kelly Clarkson: Chris Pine, Rita Ora, Brynn Cartelli (rerun). Jennifer Hudson: Mindy Kaling, Cameron Brink, Dearica Hamby, Lexie Brown, Rickea Jackson (rerun). Tamron Hall: Adrienne Bailon-Houghton (rerun). 

Late Talk

Stephen Colbert: Hillary Rodham Clinton, Julia Louis-Dreyfus. Jimmy Kimmel: Maya Rudolph, Memphis Wind, Sapphire Cristal, Plane Jane, Tommy Richman, RuPaul. Jimmy Fallon: Michael Keaton, Taylor Tomlinson, Rapsody with Erykah Badu. Seth Meyers: Jessica Alba, RaminSetoodeh, Langston Kerman, Craig Finn. Taylor Tomlinson: Terry Crews, Joe Manganiello, Patton Oswalt (rerun).