Tommy Lee Jones and Betty Gilpin join the cast of “The Lowdown” (FX, 9 p.m.), the Ethan Hawke series in which he plays an investigative journalist who digs deep into conspiracies in his native Tulsa. The new season of the Sterlin Harjo series begins with a pair of episodes. 

The original (American) “Love is Blind” (Netflix, streaming) returns for its 11th season, this time concentrating on Boston, though it draws singles from all over New England (to whom you want to yell, “No! No!”). Nick and Vanessa Lachey return to nominally host (they tend to show up at the beginning and the end). 

“Nature” (PBS, 8 p.m.) begins its 45th season with the “Sesame Street” gang going on an African safari. 

A five-part series about evolution begins on “Nova” (PBS, 9 p.m., check local listings), starting with the development of the brain in many species. 

“Secrets of the Dead” (PBS, 10 p.m., check local listings) looks at discoveries found in Great Zimbabwe between the 11th and 15th centuries. 

Gregory juggles demands on “Abbott Elementary” (ABC, 8:30 p.m.). 

“Chicago Med” (NBC, 8 p.m.) treats subway surfers; “Chicago Fire” (NBC, 9 p.m.) is suspicious of a mental health facility after treating an escaped patient; and “Chicago P.D.” (NBC, 10 p.m.) has Atwater decide about his future. 

Turk makes a costly mistake on “Scrubs” (ABC, 8 p.m.).

“Shark Tank” (ABC, 10 p.m.) considers flat-folding spoons. Mindy Kaling is guest shark. 

Game shows tonight include “The Floor” (Fox, 8 p.m.), “Who Wants to Be a Millionaire” (9 p.m.) and “99 to Beat” (Fox, 9 p.m.).

A tribe is torn by a divisive tribal council on “Survivor” (CBS, 8 p.m.).

“The Amazing Race” (CBS, 9:30 p.m.) travels to Saudi Arabia. 

Glad I didn’t encounter “The Great American Road Rally: Celebrity Edition” (CW, 9 p.m.) on the road from Oklahoma City to Amarillo. 

“The Real Housewives of Salt Lake City” (Bravo, 8 p.m.) wrap up their San Francisco trip. 

Not sure why the pilot of the network procedural “Line of Fire” (Bravo, 9:30 p.m.) is showing on cable  

“The Ark” (Syfy, 10 p.m.) embarks on a rescue mission in its third season finale. 

Laura Zerra returns to mentor a pair of newbie survivalists in the Yucatan, on “Naked and Afraid” (Animal Planet, 10 p.m.). 

“Baby Animals Down Under” (Nat Geo Wild, 9 p.m.) include bush babies.

The Texas Senate candidate takes questions from a live audience, moderated by Erin Burnett, on “James Talarico: A CNN & Jubilee Town Hall” (CNN, 8 p.m.), which is followed by a post show at 9:30 p.m.)

“Mountain Men” (History, 9 p.m.) hauls honey in hopes of drawing bears. 

Jet skis are tied to smuggling in the first of two episodes of “Contraband Capture” (National Geographic, 9 p.m.). 

It’s a big Monty Python night on Turner Classic Movies with the triple play of “Monty Python and the Holy Grain” (8 p.m.). “Monty Potyons Life of Brian” (10 p.m.) and “Monty Python’s The Meaning of Life” (midnight).  Then comes two with Barbra Streisand, “Yentl” (2 a.m.) and “What’s Up, Doc?” (4:30 a.m.). 

During the day are films featuring Leslie Howard, with “Outward Bound” (7:15 a.m.), “Smilin’ Through” (8:45 a.m.), “Romeo and Juliet” (10:30 a.m.), “The Petrified Forest” (12:45 p.m.), “It’s Love I’m After” (2:15 p.m.), “Pygmalion” (4 p.m.) and “49th Parallel” (5:45 p.m.). 

Baseball has Milwaukee at Dodgers (Fox Sports 1, 8 p.m.) in Game 3 of the National League Championship Series, with the Brewers up 2-0 in the best-of-seven contest. 

College football has Kennewaw State at Missouri State (CBS Sports, 7:30 p.m.) and Western Kentucky at Sam Houston (ESPN, 8 p.m.). 

Hockey has Dallas at Colorado (TNT, truTV, 8:30 p.m.). 

Preseason basketball has New Orleans at Dallas (NBA, 6 p.m.) and Denver at Clippers (NBA, 10:30 p.m.). 

Daytime Talk

Kelly Ripa and Mark Consuelos: Chandra Wilson, Ryan Phillippe, Andy Grammer. The View: D.L. Hughley. Drew Barrymore: Charlie Heaton, James McAvoy. Jennifer Hudson: David Oyelowo. Tamron Hall: Meagan Good Morris Chestnut, McKinley Freeman. 

Late Talk

Jimmy Kimmel: Adam Brody, Tom Rhys Harries, Matchbox 20. Jimmy Fallon: Florence Pugh, Josh Hartnett, Gracie Abrams (rerun). Seth Meyers: Kate McKinnon, Christopher Abbot (rerun).