KingCharlesIIIMike Bartlett’s blank verse imagining of Prince Charles’ ascent to the throne, “King Charles III,” a sensation on Broadway, is adapted for television in a one night special on “Masterpiece” (PBS, 9 p.m.).

Tim Pigott-Smith plays the title character, who advances when Queen Elizabeth II suddenly dies. Pigott-Smith died suddenly himself just over a month ago. The cast includes Richard Goulding as Harry, Charlotte Riley as Kate, Oliver Chris as William and Margot Leicester as Camilla. The whole Shakespearian angle seems a little unnecessary

It’s not about a nunnery; “What Happens at the Abby” (E!, 10 p.m.) follows the activity of a nightclub in West Hollywood.

Get ready for a cuteness overload on the special “Animal Moms” (Nat Geo Wild, 8 p.m.).

The resume of your current president is this pageant: Miss USA (Fox, 8 p.m.), which returns to network TV with Julianne Hough hosting from Las Vegas.

A hairstylist invites friends to a Mexican resort on the new series “Invite Only Cabo” (Bravo, 9 p.m.).

The engineers behind some big NASA projects get some attention on “America’s Secret Space Heroes” (Smithsonian, 9 p.m.).

The very funny “Mike Tyson Mysteries” (Adult Swim, 11:30 p.m.) starts its third season.

Promoting a bad trend is the new series “Promposal” (MTV, 7:30 p.m.).

American University is the brunt of several jokes on “Veep” (HBO, 10:30 p.m.).

The British period drama “Guerrilla” (Showtime, 9 p.m.) comes to an end with two consecutive episodes.

“Once Upon a Time” (ABC, 8 p.m.) has a sixth season finale; many of its cast won’t be returning for the seventh.

Finales also come for “NCIS: Los Angeles” (CBS, 8 p.m.) and “Chicago Justice” (NBC, 9 p.m.).

“The Real Housewives of Atlanta” (Bravo, 8 p.m.) looks back at its season.

A Christopher Eccles-centric episode of “The Leftovers” (HBO, 9 p.m.) trying to get to Melbourne to “rescue” Kevin finds some innovative ways to bring nudity to the show, starting with a nuclear submarine explosion.

Gilfoyle gets serious about security on “Silicon Valley” (HBO, 10 p.m.).

“Madam Secretary” (CBS, 9 p.m.) and the president go to Rome for the G20 Conference.

Ben learns about Mary’s past on “Mary Kills People” (Lifetime, 10 p.m.).

Nurse Crane faces an unexpected crisis on “Call the Midwife” (PBS, 8 p.m.).

A boy emerges, claiming to be a young prince on “The White Princess” (Starz, 8 p.m.).

Shadow is asked to rob a bank on “American Gods” (Starz, 9 p.m.).

Bacon is the focus of “Food Paradise” (Travel, 8 p.m.). But moms compete on “Guy’s Grocery Games” (Food, 8 p.m.).

Tango dancing children are on “Little Big Shots” (NBC, 8 p.m.).

Deadly spiders are on “Naked and Afraid” (Discovery, 9 p.m.).

Sherlock interacts with a mysterious woman on “Elementary” (CBS, 10 p.m.).33

Rick Fox, Darrell Hammond, Shasheer Zapata, Tituss Burgess, Jane Krakowski and Constance Zimmer play “Match Game” (ABC, 10 p.m.).

In a sardonic joke in honor of Mother’s Day, “Mommie Dearest” (IFC, 6 a.m.) repeats all day long,

Turner Classic Movies, for its part, has six mother-related films, “So Big” (noon), “Mildred Pierce” (2 p.m.), “Marty” (4 p.m.), “Imitation of Life” (5:45 p.m.), “I Remember Mama” (8 p.m.) and “Pocketful of Miracles” (10:30 p.m.).

Then comes three Mack Sennett silent comedies starting with “Hash House Mashers” (TCM, 1 a.m.) and two dramas by Kon Ichikawa, “Odd Obsession” (TCM, 2 a.m.) and “Conflagration” (TCM, 4 a.m.).

The NBA Playoffs begins game 1 of the western conference finals with San Antonio at Golden State (ABC, 3:30 p.m.).

The Stanley Cup game is out west too, Game 2 of Nashville at Anaheim (NBC Sports, 7:30 p.m.).

Baseball includes Cubs at St. Louis (MLB, 2 p.m.), and Houston at Yankees (ESPN, 7:30 p.m.).

Final rounds are played in golf’s Players Championship (NBC, 2 p.m.).

College baseball includes Louisville at Clemson (ESPN2, noon).

First round play in the NCAA men’s lacrosse tournament has Marquette at Notre Dame (ESPNU, noon), Bryant at Maryland (ESPNU, 2:30 p.m.), Loyola at Ohio State (ESPNU, 5 p.m.) and Yale at Syracuse (ESPNU, 7:30 p.m.).

And now there’s a NCAA softball selection show (ESPN2, 10 p.m.).

ABC: Sen. Mark Warner, U.S. Ambassador to the U.N. Nikki Haley, former director of national intelligence James Clapper. CBS: Sen. Ben Sasse, Rep. Adam Schiff, former defense secretary Robert Gates. NBC: Secretary of State Rex Tillerson, Sens. Lindsey Graham and Chuck Schumer. CNN: Schumer, Clapper. Fox News: Sens. Mike Lee and Warner.