Conan O’Brien is one American who is eager to swoop into other countries and try to undo with humor the damage done by the administration made a hasty move to a country the president wanted to buy. “Conan Without Borders: Greenland” (TBS, 10 p.m.) smooths things over with locals even as he shows the land’s riches.
The “Sons of Anarchy” motorcycle club spinoff “Mayans M.C.” (FX, 10 p.m.) returns for a second season, with J.D. Pardo’s character E.Z. still settling in as a prospect, dividing his family.
The saga “Greenfield” (OWN, 10 p.m.) is also back for a fourth season, with two megachurches about to merge.
Dean shaves off his mustache and returns to “Bachelor in Paradise” (ABC, 8 p.m.), throwing Caelynn into a tizzy.
“America’s Got Talent” (NBC, 8 p.m.) begins its semifinals. “Bring the Funny” (NBC, 10 p.m.) is also in the semifinals.
Kevin Hart, Lil Nas X and athletes that include Rob Gronkowski drop by “The Shop: Uninterrupted” (HBO, 11 p.m.).
“The Real Housewives of Orange County” (Bravo, 9 p.m.) take a double decker tour bus to L.A.
Glen tries house flipping to make his goal on “Undercover Billionaire” (Discovery, 10 p.m.). Perhaps he should consult “Flipping Exes” (Bravo, 10 p.m.).
“Hard Knocks: Training Camp with the Oakland Raiders” (HBO, 10 p.m.) better wrap it up; the season starts this weekend.
The final four go into a recording studio on “The Next Big Thing” (BET, 10 p.m.).
“Dance Moms” (Lifetime, 9 p.m.) has a reunion.
Josh and Casey are hitting the numbers on “Deadliest Catch” (Discovery, 9 p.m.).
The first of two episodes of “Hip Hop Squares” (VH1, 8 p.m.) welcomes Ice Cube and Nene Leakes, among others.
“Expedition Unknown” (Travel, 8 p.m.) searches for Shangri-La.
Xander has to rekindle a relationship for a mission on “Pandora” (CW, 8 p.m.).
Sidney Poitier is the star of the month on Turner Classic Movies, with a 21 movie salute each Tuesday in September. It begins with “No Way Out” (8 p.m.), “Blackboard Jungle” (10 p.m.), “Edge of the City” (midnight), “Something of Value” (1:30 a.m.), “Band of Angels” (3:30 a.m.) and “Good-Bye, My Lady” (5:45 a.m.). Earlier in the day are prehistoric tales with “Tarzan’s Desert Mystery” (7:15 a.m.), “The Beast from 20,000 Fathoms” (8:30 a.m.), “Trog” (10 a.m.), “The Giant Behemoth” (11:45 a.m.), “One Million B.C.” (2:45 p.m.), “The Valley of Gwangi” (4:30 p.m.) and “When Dinosaurs Ruled the Earth” (6:15 p.m.).
The U.S. Open (ESPN, noon and 7 p.m.) reaches quarterfinals.
Baseball includes Minnesota at Boston (MLB, 7 p.m.).
WNBA action has Washington at New York (NBA, 7 p.m.) and Seattle at Phoenix (ESPN2, 10 p.m.).
In soccer, it’s Portugal at U.S. (ESPN2, 8 p.m.) in a women’s international friendly.
Daytime Talk
Kelly Ripa and Ryan Seacrest: Maggie Gyllenhaal, Audra Fording. The Talk: Nick Cannon (rerun). Ellen DeGeneres: George Clooney (rerun). The Real: Eva Mancille (rerun).
Late Talk
Stephen Colbert: Jim Gaffigan, Ann Curry. Jimmy Kimmel: Kobe Bryant, Miles Brown, Marina. Jimmy Fallon: Bill Hader, Cara Delevingne, Lester Holt, Alec Benjamin. Seth Meyers: Justice Sonia Sotomayor, Maggie Gyllenhaal, Tatiana Schlossberg, Carter McLean. James Corden: Dominic Cooper, Jonathan Groff, Red Hearse. Carson Daly: Steve Lemme, Kevin Heffernan, Durand Jones and the Indications, Kirby Howell-Baptiste (rerun). David Spade: Jon Lovitz, Lauren Sivan, Pete Holmes.