the-ten-commandmentsMore anticipated in its time than the Mueller Report: “The Ten Commandments” (ABC, 7 p.m.). The annual prime time showing of the 1956 epic seems to get longer by the year — this year stretching on until nearly five hours until almost midnight. Clocking in at mere three hours is Bill O’Reilly’s “Killing Jesus” (National Geographic, 8 p.m.). “Exodus: Gods and Kings” (WGN America, 7:30 p.m.) is three and a half hours.

The other holiday today is 4/20, the pothead’s big day. Hence, there’s a new sequel of the stoner come  “How High 2” (MTV, 9 p.m.) with Lil Yachty and D.C. Young Fly taking over roles originated by Method Man and Redman in the 2001 original. Lil Baby, Blac Youngster and Nene Leakes also pop up in the Atlanta-based remake.

The history of pot is the subject of the new documentary “Grass is Greener” (Netflix, streaming), directed by a former MTV hip hop figure, Fab 5 Freddy. A key source for the film, that connects marijuana to black music, is, of course, Snoop Dogg.

A new episode of “Alien News Desk” (Syfy, 11 p.m.) also celebrates 4/20.

John David Washington and Adam Driver star in the Oscar nominated “BlacKkKlansman” (HBO, 8 p.m.), which won Spike Lee his first Academy Award. The film, based on a true story, makes its premium cable debut. Also debuting tonight is Paul Rudd, as Moe Berg, the major league baseball player with a double life, in “The Catcher Was a Spy” (Showtime, 9 p.m.) with Sienna Miller.

They’ve made more than 100 original romance movies about Christmas, but “Easter Under Wraps” (Hallmark, 9 p.m.) is the first Hallmark Easter movie. Fiona Gubelmann and Brendan Penny star in the story set at a chocolate plant at Easter time. It follows the climax of the “Spring Fever Movie Countdown” (Hallmark, 7 pm.).

Barry Watson and Cindy Busby star in “My Mom’s Letter from Heaven” (Lifetime, 10 p.m.), about a teenage girl who fights with her dad, finding a letter to her from her dying mother, based on a true story.

Angela Fairley plays a young girl who navigates over 30 foster homes and hospitals before she finds a person who believes in her (Ginnifer Goodwin) in “Somebody’s Child: The Regina Louise Story” (Lifetime, 8 p.m.), based on a true story.

The Canadian period piece “Murdoch Mysteries” (Ovation, 7 p.m.) returns for season 12 with the same name the show has everywhere else in the world. It had been known on Ovation as “The Artful Detective” since it was picked up in 2014.

The fourteenth season of “Restaurant: Impossible” (Food, 9 p.m.) begins with Robert Irvine trying to help a retro place called Rosie’s Cafe in Escondido, Calif.

Families are concerned about the coupling of a young businesswoman with an older widower on “Family or Fiancé” (OWN, 10 p.m.).

“Life at Vet U” (Animal Planet, 9 p.m.) begins its second season with a dog that chewed off her own tail and a reptile that might need a tail amputated.

A few people get advice on “The Book of John Gray” (OWN, 9 p.m.).

“Trading Spaces” (TLC, 8 p.m.) fixes up schools for the first time.

A couple tries to fix up their home before the baby comes on “Nate and Jeremiah by Design” (TLC, 9 p.m.).

Turner Classic Movies’ Best of the Essentials has Sally Field introduce “Norma Rae” (8 p.m.) and Drew Barrymore present “This is Spinal Tap” (10:15 p.m.). The noir at 12 o’clock is “Woman on the Run” (midnight). It’s followed by “Cool Hand Luke” (2 a.m.) and “Rebel Without a Cause” (4:15 a.m.).

Stanley Cup playoffs have Carolina at Washington (NBC, 8 p.m.) in a prime time. Earlier games have Dallas at Nashville (NBC, 3 p.m.) and Winnipeg at St. Louis (NBC Sports, 7 p.m.).

NBA Playoffs have Philadelphia at Brooklyn (TNT, 3 p.m.), Denver at San Antonio (TNT, 5:30 p.m.), Milwaukee at Detroit (ESPN, 8 p.m.) and Houston at Utah (ESPN, 10:30 p.m.).

Baseball includes Kansas City at Yankees (MLB, 1 p.m.), San Francisco at Pittsburgh (Fox Sports 1, 4 p.m.), Dodgers at Milwaukee (Fox Sports 1, 7 p.m.) and Seattle at Angels (MLB, 10 p.m.).

Tennis has Switzerland at United States (Tennis, 3:30 p.m.) and Belarus at Australia (Tennis, 11 p.m.) in the Fed Cup.

Golf’s Heritage tournament (Golf, 1 p.m.; CBS, 3 p.m.) reaches third round play.

College baseball includes Florida at LSU (ESPN2, 3 p.m.), Texas at Oklahoma State (ESPNU, 4 p.m.) and Arizona at Oregon State (ESPNU, 10 p.m.).

College softball has Alabama at Florida (ESPN, 2 p.m.) and LSU at Arkansas (ESPNU, 2 p.m.).

Women’s college gymnastics has its team finals (ESPNU, 7 p.m.).

Men’s college lacrosse has North Carolina at Notre Dame (ESPNU, noon), Loyola at Army (CBS Sports, 2:30 p.m.) and Syracuse at Navy (CBS Sports, 5 p.m.).

In major league rugby it’s Utah at New York (CBS Sports, 7:30 p.m.).

Kacey Musgraves and Lukas Nelson play an “Austin City Limits” (PBS, 11 p.m., check local listings) from last year.

“Saturday Night Live” (NBC, 11:30 p.m.) is a rerun, with John Mulaney and Thomas Rhett.