The Quiet Man 2Any sane St. Patrick’s Day takes place at home this year, on a day when even Ireland has closed the pubs. Turner Classic Movies has planned for that with a full day of Irish minded programming with “The Fighting 69th” (6:45 a.m.), “Peg O’ My Heart” (8:30 a.m.), “Flight of the Doves” (10 a.m.), “Girl with Green Eyes” (12:30 p.m.), “Odd Man Out” (2:15 p.m.), “The Rising of the Moon” (4:30 p.m.), “Young Cassidy” (6 p.m.), “The Quiet Man” (8 p.m.), “Finian’s Rainbow” (10:30 p.m.), “Ryan’s Daughter” (1:15 a.m.) and “The Irish in Us” (4:45 a.m.).

Four big Democratic primaries were planned today. But while contests n Arizona, Florida and Illinois are still going on, the Ohio primary was postponed because of the coronavirus pandemic. Still, some results will roll in, at the usual outlets of CNN, MSNBC, PBS and Fox News. Polls close at 7 and 8 in Florida, 8 in Illinois and 10 in Arizona.

On the new, three-episode “Niall Ferguson’s Networked” (PBS 8 p.m., check local listings), the author looks at how technology and social media have changed human behavior, comparing how news travels now to when the actual witch trials were held. All three episodes run back-to-back.

“Bert Kreischer: Hey Big Boy” (Netflix, streaming) is the second comedy special from the standup, shot in Cleveland.

Cookie keeps her secret from her sisters on “Empire” (Fox, 9 p.m.),

“Nightline” (ABC, 11:35 p.m.) moves back to its earlier time slot, in part because of fast-breaking news regarding the coronavirus, and also because “Jimmy Kimmel Live” (ABC, 12:05 a.m.) will be reruns for the next couple of weeks at least. Some hosts can’t help themselves; Stephen Colbert delivered a new monologue Monday from his bathtub.

On “This is Us” (NBC, 9 p.m.), Randall reflects on what could have been.

“Shaun the Sheep: Adventures from Mossy Bottom” (Netflix, streaming) is a new family stop-motion animation series continuing the characters from the previous film and television special, from the people who brought us “Wallace and Gromit” and its world.

Kapoor helps a former pilot deal with his life as a paraplegic on “New Amsterdam” (NBC, 10 p.m.).

The wedding of Jax and Brittany finally happens on “Vanderpump Rules” (Bravo, 9 p.m.).

On “The Resident” (Fox, 8 p.m.), Dr. Voss’ son in law may be suffering from a serious disease.

The thrupple moves forward on “The Conners” (ABC, 8 p.m.).

“My Big Fabulous Life” (TLC, 8 p.m.) goes to Paris, back at a time when such a thing was possible.

Pastor Paul causes a commotion on “Bless This Mess” (ABC, 8:30 p.m.).

Bamboo is an ingredient on “Chopped” (Food, 9 p.m.).

“I Am Jazz” (TLC, 9 p.m.) goes to a spiritual retreat.

There’s an escape room at Patrick and David’s bachelor party on “Schitt’s Creek” (Pop, 9 p.m.).

Rainbow clashes with her parents over hip-hop music on “Mixed-ish” (ABC, 9 p.m.) and the grown up Rainbow is elected to the California Board of Medicine on “Black-ish” (ABC, 9:30 p.m.).

Contestants on “The Biggest Loser” (USA, 9 p.m.) get some morale boosting.

A couple’s random acts of violence are investigated on “FBI: Most Wanted” (CBS, 10 p.m.).

Marie recommits to the case on “For Life” (ABC, 10 p.m.).

Sure, they’re the last state without a reported coronavirus case, but West Virginia has a haunted psychiatric hospital, reopened on “Portals to Hell” (Travel, 10 p.m.).

Hyena and Quinn track down a plane that vanished in Canada on “Project Blue Book” (History, 10 p.m.).

Al and Prince Chauncley go to an anatomy lecture on “Miracle Workers: Dark Ages” (TBS, 10:30 p.m.).

There’s a new foe named Sunshine on “The Flash” (CW, 8 p.m.).

“DC’s Legends of Tomorrow” (CW, 9 p.m.) meet William Shakespeare.

A second season starts for “Supermarket Stakeout” (Food, 10 p.m.). But the planned season premieres tonight for “Crank Yankers” and “Tosh.0” on Comedy Central have been postponed two weeks. Because nobody is there to press the button?

Daytime Talk

Kelly Ripa and Ryan Seacrest: Sebastian Maniscalco, Saoirse Ronan, Caitriona Balfe, Jerry O’Connell. The Talk: Adam Lambert. Ellen DeGeneres: Melissa McCarthy, KJ Apa (rerun). Kelly Clarkson: Huey Lewis, Marcus Scribner, Monsta X. Wendy Williams: Cheryl Hines (rerun). The Real: Luke James.

Late Talk

All reruns: Stephen Colbert: John Oliver, Alex Ebert. Jimmy Kimmel: Harrison Ford, Science Bob Pflugfelder, Wiz Khalifa, Ty Dolla $ign, Lil Yachty, Sueco the Child. Jimmy Fallon: Kevin Bacon, Tan France, Taylor Tomlinson. Seth Meyers: Nick Jonas, Travis Kielce, Finesse Mitchell, Michel’Le Baptiste. Lilly Singh: Tyler Perry. Trevor Noah: Nina Dobrev. Conan O’Brien: Dax Shepard.