“Hollywood Darlings” (Pop, 8 p.m.) gathers a group of former child stars you may have forgotten all about, including Jodie Sweetin of “Full House,” Christine Lakin of “Step by Step” and Beverley Mitchell of “7th Heaven,” navigating their present lives.
For the new “Return of the Mac” (Pop, 8:30 p.m.), it’s Joey McIntyre of New Kids on the Block, no kid now at 44, who plays himself as a married father of three who wants to act but is talked into becoming a talk show host on a struggling cable network — which is not so different than playing himself on network that used to be the TV Guide channel.
Aisha Hinds plays Harriet Tubman in an episode of “Underground” (WGN America, 8 p.m.) that concentrates on her struggles in abolition. Then it repeats six times.
“The Great War” (PBS, 9 p.m., check local listings) ends its six-hour run this week with the war’s completion coming after a couple of setbacks and a flu epidemic back home.
In addition to economic problems, there are environmental ones in Puerto Rico as well. “Nova” (PBS, 8 p.m.) looks at efforts to preserve native wildlife and to restore three threatened species — the Amazon parrot, the manatee and the leatherback turtle. Jimmy Smits narrates.
The new series “Exposed with Deborah Norville” (Reelz, 9 p.m.) looks at Hollywood crime stories, beginning with the case against Bill Cosby.
“The Path” (Hulu, streaming) ends its second season with Eddie about to take over the movement. It’s just been renewed for a third season.
A bomber is sought in the season five finale of “Major Crimes” (TNT, 11 p.m.).
Jack the Ripper’s entry into the TV season was short-lived. “Time After Time” was cancelled by ABC after five episodes and now “Ripper Street” (BBC America, 10 p.m.) runs its final episode after five seasons.
“Brockmire” (IFC, 10 p.m.) mediates a kangaroo court in the locker room.
On “The Real Housewives of New York City” (Bravo, 9 p.m.), Tinsley Mortimer moves into Sonja’s Townhouse.
The president is trying to pass his first bill on “Designated Survivor” (ABC, 10 p.m.).
The governor tries to pass an education initiative on “Shots Fired” (Fox, 8 p.m.).
Hakeem live-streams his 21st birthday party on “Empire” (Fox, 9 p.m.).
Two flight attendants go missing in Singapore on a new “Criminal Minds: Beyond Borders” (CBS, 9 p.m.). Then it’s off to Tijuana on a second episode at 10.
Exile island has its effects on “Survivor” (CBS, 8 p.m.).
Julia, Kady and Penny make sacrifices in order to face Reynard on “The Magicians” (Syfy, 9 p.m.).
It’s Easter week, so “Expedition Unknown” (Travel, 9 p.m.) looks for pieces of the true cross.
there’s snakes on a boat, at least until the arrival of “Billy the Exterminator” (A&E, 10:30 p.m.).
On “Are You the One: Second Chances” (MTV, 9 p.m.) they play an ill-advised game of strip flip cup.
Emily opens a minibar on “Little Women: Dallas” (Lifetime, 10 p.m.).
Frankie Avalon gets the spotlight tonight on Turner Classic Movies with “Panic in Year Zero” (8 p.m.), “Beach Party” (10 p.m.), “Guns of the Timberland” (midnight), “Dr. Goldfoot and the Bikini Machine” (2 a.m.) and “Drums of Africa” (4 a.m.).
The first round starts in hockey’s Stanley Cup Playoffs with Boston at Ottawa (NHL, 7 p.m.), Rangers at Montreal (NBC Sports, 7 p.m.), Columbus at Pittsburgh (USA, 7:30 p.m.), St. Louis at Minnesota (NBC Sports, 9:30 p.m.) and San Jose at Edmonton (USA, 10 p.m.).
NBA action today includes Atlanta at Indiana (ESPN, 8 p.m.) and New Orleans at Portland (ESPN, 10:30 p.m.).
Baseball has Tampa Bay at Yankees (MLB, 1 p.m.) and Dodgers at Cubs (MLB, 8 p.m.).
Kelly Ripa: Hank Azaria, Mr. T, Morris Chestnut. The View: Julia & Elmo, Sherrie Westin, Susan Sarandon, Jack Hanna. The Talk: Ludacris, Nispchelle Turner. Harry Connick: Cameron Dallas, Michelle Monaghan. Ellen DeGeneres: Charlize Theron, Jeff Garlin. Wendy Williams: Shameik Moore, Chef Ahki.
Stephen Colbert: Ryan Reynolds, Josh Lucas Andy Daly, Green Day (rerun). Jimmy Kimmel: Armie Hammer, Judd Apatow, John Mayer. Jimmy Fallon: Anthony Anderson, Rhett & Link, Migos (rerun). Seth Meyers: Jennifer Lopez, Sam Richardson, Tim Robinson, Vinnie Colaiuta (rerun). James Corden: Jordan Peele, Nick Knoll, Ryan Adams (rerun). Carson Daly: Jason Shiva, the Buttertones, Ghost Brothers (rerun). Conan O’Brien: Ludacris, Ariel Winter, Future Islands.