TheSchemeThat the NCAA basketball tournament was called March Madness seems quaint now. In a much deeper era of madness, the absence of the event means no brackets, no elite eight, and maybe one good thing: no chance of the kind of scandal that arose in recent years and led to the conviction last year of NBA scout Christian Dawkins. He was charged with bribery and conspiracy to commit bribery along with several assistant coaches and some executives at Adidas. Dawkins is among the interviewees in a film about the scandal, “The Scheme” (HBO, 9 p.m.).

In a new “Frontline” (PBS, 10 p.m., check local listings) investigates whether the plastics industry has been using recycling to sell more plastics and imperil the ocean.

 “NBC News Special Report: Coronavirus Pandemic” (NBC, 10 p.m.) will now air weekly on Tuesdays at least through April.

A 2009 documentary about a previous epidemic, polio, and the efforts to find a vaccine, gets a timely replay on “American Experience” (PBS, 9 p.m., check local listings).

“Miracle Workers: Dark Ages” (TBS, 10:30 p.m.) has its season finale with Danielle Radcliffe’s character Prince Chauncley reunited with a flame (Geraldine Viswanathan).

It sounds like a porn parody of “Star Wars,” but “The Secret of Skinwalker Ranch” (History, 10 p.m.) instead is a new series about a paranormal site in Utah.

A 20th (!) season begins for “Little People, Big World” (TLC, 9 p.m.), followed by the seventh season premiere of “7 Little Johnstons” (TLC, 10 p.m.).

A winner is named for the reconstituted “The Biggest Loser” (USA, 9 p.m.).

Penelope buys something new on “One Day at a Time” (Pop, 9:30 p.m.).

On “Empire” (Fox, 9 p.m.), the wedding day arrives for Terri and Andre.

An inmate fights for the right to marry his dying girlfriend on “For Life” (ABC, 10 p.m.).

“FBI: Most Wanted” (CBS, 10 p.m.) goes after a former counterintelligence officer leading classified information.

A dead college student is the result of a drug deal gone bad on “FBI” (CBS, 9 p.m.).

Its girls’ night out on “Vanderpump Rules” (Bravo, 9 p.m.).

An attempted robbery of a jewelry store turns into a hostage situation on “NCIS” (CBS, 8 p.m.).

The 100th anniversary of the 19th Amendment brings a night of Suffragette flicks to Turner Classic Movies with “The Shocking Miss Pilgrim” (8 p.m.), “Adventure in baltimore” (9:45 p.m.), “The Strawberry Blonde” (11:30 p.m.), “The First Traveling Saleslady” (1:30 a.m.) and “Rails into Laramie” (3:15 a.m.).

And during the day, just to rub in the lack of an Opening Day, are the baseball features with “Prima Donna” (6 a.m.), “Ladies Day” (7 a.m.), “They Learned About Women” (8:15 a.m.), “Betty Baseball” (10 a.m.), “The Stratton Story” (10:30 a.m.), “The Winning Team” (12:30 p.m.), “The Babe Ruth Story” (2:30 p.m.), “The Jackie Robinson Story” (4:45 p.m.) and the musical “Take Me Out to the Ball Game” (6:15 p.m.).

Daytime Talk

Kelly Ripa and Ryan Seacrest: Josh Radnor, Colton Underwood. The View: Kim Kardashian West. The Talk: Sean Hayes. Ellen DeGeneres: Demi Lovato, Justin Bieber (rerun). Kelly Clarkson: Josh Gad, Grace VanderWaal (rerun). Wendy Williams: Nick Cannon (rerun).

Late Talk

Jimmy Kimmel: Samuel L. Jackson, Sean Paul with Tove Lo. Jimmy Fallon: Demi Lovato, Jonathan Van Ness. Seth Meyers: Sen. Elizabeth Warren. James Corden: Meghan Trainor, Antonio Banderas, Rob Low, Kesha (rerun). Lilly Singh: Natalya Neidhart, Paige and Alexa Bliss. Conan O’Brien: Sophie Turner.