bachelorThe 24th season for “The Bachelor” (ABC, 8 p.m.) begins with another bloated three-hour episode, following the ever-quizzical parade of women who seem happy to ditch any dignity to be on TV.  The bachelor is the airline pilot rejected on the last season of “The Bachelorette,” Peter Weber. He was sort of a dud then, right?

It’s also the 24th season for “Antiques Roadshow” (PBS, 8 p.m., check local listings) which opens in Delaware.

Past performers who didn’t win return to try once more on the short-running “America’s Got Talent: The Champions” (NBC, 8 p.m.). Judges this time are Simon Cowell, Heidi Klum and Howie Mandel with Alesha Dixon. Terry Crews host.

“Manifest” (NBC, 10 p.m.) begins its second season still trying to figure out how that plane was missing for five years.

“Below Deck” (Bravo, 9 p.m.) marks its 100th episode – a milestone celebrated on “Watch What Happens: Live” (Bravo, 10 p.m.).

All of the late night shows return to live programs tonight after two weeks of reruns and it’s just in time. Best bet: Elizabeth Warren and David Byrne on “Late Show with Seth Meyers” (NBC, 12:37 a.m.).

Get background on an actual political witch hunt with the portrait of Joe McCarthy on “American Experience” (PBS, 9 p.m., check local listings).

On a new “All Rise” (CBS, 9 p.m.), Lola wonders whether she should tone it down just before she gets an eco-terrorism trial. Gemma’s sister shows up for an extended stay on “The Neighborhood” (CBS, 8 p.m.).

The animated “Infinity Train” (Cartoon Network, 7:30 p.m.) begins its second installment of two new episodes a night over five nights this week.

The title characters of “Bob (Hearts) Abishola” (CBS, 9:30 p.m.) try to pull Dottie out of her depression.

“Bull” (CBS, 10 p.m.) helps a friend sue a businessman for child abuse.

Trina buries her mother on the third season premiere of “Love & Hip Hop: Miami” (VH1, 9 p.m.).

A dozen new kids are recruited for the eighth season premiere of “Kids Baking Championship” (Food, 9 p.m.), hosted by Valerie Bertinelli and Duff Goldman.

Contestants on “Challenge” (Food, 10 p.m.) work on 70th anniversary “Wizard of Oz” cakes.

Turner Classic Movies presents Mary Astor as subject in the documentary “Scandal: The Trial of Mary Astor” (8 p.m. and 1 a.m.) and as star in “Red Dust” (9:15 p.m.), “The Maltese Falcon” (11 p.m.), “Little Women” (2:15 a.m.) and “Act of Violence” (4:30 a.m.).

Earlier, are feuds among family and friends in “A Ticklish Affair” (6 a.m.), “You for Me” (7:45 a.m.), “Too Young to Kiss” (9:15 a.m.), “Air Force” (11 a.m.), “Hunt the Man Down” (1:15 p.m.), “Slaughter Trail” (2:30 p.m.), “The Tunnel of Love” (4 p.m.) and “Old Acquaintance” (5:45 p.m.).

Basketball includes Oklahoma City at Philadelphia (NBA, 7 p.m.) and Golden State at Sacramento (NBA, 10 p.m.).

Hockey has Edmonton at Toronto (NBC Sports, 7 p.m.).

Men’s college hoops include Colgate at Army (CBS Sports, 7 p.m.), West Virginia at Oklahoma State (ESPN2, 9 p.m.) and Southern at Prairie View A&M (ESPNU, 9 p.m.).

Women’s games include Ohio State at Maryland (ESPN2, 7 .m.) and Texas at Iowa State (Fox Sports 1, 9 p.m.).

There’s another college football bowl to play: Louisiana Lafayette vs. Miami, Ohio (ESPN, 7:30 p.m.) in the LendingTree Bowl.

College wrestling has Arizona State at Ohio State (Fox Sports 1, 7 p.m.).

Daytime Talk

Kelly Ripa and Ryan Seacrest: Rose Byrne, James Holzhauer, Dr. Ashton. The View: Judge Judy Sheindlin. The Talk: Kevin Frazier. Ellen DeGeneres: Awkwafina, Mario Lopez, Dua Lipa. Kelly Clarkson: Andy Grammer, Lisa Vanderpump, Jake Hoot. Tamron Hall: Peter Walsh. Wendy Williams: Bevy Smith, Robert Verdi, Lloyd Boston, Melissa Garcia. The Real: Arica Himmel.

Late Talk

Stephen Colbert: Jane Fonda, Tan France, Miranda Lambert. Jimmy Kimmel: Tiffany Haddish, Peter Weber, Pharrell Williams. Jimmy Fallon: Shaquille O’Neal, Jacqueline Novak, Lil Baby. Seth Meyers: Sen. Elizabeth Warren, David Byrne, H.E.R., Caitlin Kalafus. James Corden: John Travolta, Aaron Taylor-Johnson, Sam Taylor-Johnson (rerun). Lilly Singh: Russell Peters, Michael Ealy. Conan O’Brien: Deon Cole (rerun).