Jane Seymour hosts the mix of true crime and genealogy that is the new series “Relative Secrets” (BBC America, 10 p.m.), joined by archaeologist Natasha Billson.
“American Ninja Warrior” (NBC, 8 p.m.) begins its 17th season of grown adults flying around the obstacle course. Matt Iseman, Akbar Gbajablamila and Zuri Hall return to host the two hour premiere.
A 12th season begins for “Below Deck” (Bravo, 8 p.m.).
“The Motherhood” (Hallmark, 8 p.m.), the Connie Britton-hosted advice show, ends its first season.
A new season begins for the search of the “Ugliest House in America” (HGTV, 9 p.m.), hosted by Retta.
“The Quiz with Balls” (Fox, 9 p.m.), yet another game show, this one hosted by Jay Pharoah, returns for a second season.
A heckler dies during a guided tour on the fourth season finale of “Harry Wild” (Acorn TV, streaming).
“Lego Masters” (Fox, 8 p.m.) must make working waterfalls with their plastic bricks.
The story of a bunny and a plastic surgeon is told on “The Playboy Murders” (Investigation Discovery, 9 p.m.).
“Yes, Chef!” (NBC, 10 p.m.) has contestants play their best sweet dish.
A birthday and a wedding leads “Basketball Wives” (VH1, 8 p.m.) to Vegas.
On “MobLand” (Showtime, 8 p.m.), Richie prepares for war.
The stories are bleak tonight on Turner Classic Movies with “Make Way for Tomorrow” (8 p.m.), “Man of the West” (10”15 p.m.), “Cries and Whispers” (midnight), “Rome, Open City” (2 a.m.) and “The Seventh Victim” (4 a.m.).
It’s crime on boats for most of the day on TCM with “Tiger Bay” (7:30 a.m.), “The Wreck of the Mary Deare” (9:30 a.m.), “The Decks Ran Red” (11:30 a.m.), “The Ghost Ship” (1 p.m.), “Murder in the Fleet” (2:15 p.m.), “The Case of the Black Parrot” (3:30 p.m.), “Mad Holiday” (4:45 p.m.) and “Murder Ahoy” (6:15 p.m.).
Baseball includes Milwaukee at Cincinnati (Fox Sports 1, 7 p.m.) and Yankees at Dodgers (MLB, 10 p.m.).
College baseball has Wake Forest at Tennessee (ESPN2, 8 p.m.).
Daytime Talk
Kelly Ripa and Mark Consuelos: Jodie Comer, Carol Leifer. The View: Ralph Macchio. Kelly Clarkson: Hoda Kotb, Ryan Phillippe, David Cummings, Zoe Roberts, Natasha Hodgson, Nicolle Wallace, Iam Tongi. Drew Barrymore: Leslie Jones, Kate McKinnon. Jennifer Hudson: Sterling K. Brown, Ryan Michelle Bathe, Violet McGraw, Madeleine McGraw (rerun). Tamron Hall: Roy Wood Jr. Jonathan Capehart, Antonia Bennett.
Late Talk
Stephen Colbert: Jean Smart, North Carolina Gov. Josh Stein. Jimmy Kimmel: Owen Wilson, Brett Goldstein, Mariah the Scientist. Jimmy Fallon: Dakota Johnson, Jonathan Groff, Matt Berninger. Seth Meyers: George Clooney, Jennifer Simard, Christopher Sieber. Taylor Tomlinson: Atsuko Okatsuka, Franchesca Ramsey, Bianca Del Rio.