MarchWould that we were only worried about the assault of slime on children. It falls again as part of the 2018 Kids Choice Awards (Nickelodeon, 8 p.m.), hosted by John Cena.

Meanwhile, in the real world, CBS News picks up on the remarkable work of the Parkland students in demanding change after a mass shooting at their school. The special “39 Days” (CBS, 8 p.m.) traces their work from the day of the tragedy to today’s March for Our Lives (which, with any luck, will be covered by reputable cable news networks and maybe C-SPAN.

Another network documentary looks how the media covered a second ongoing social movement as we approach the 50th anniversary of the assassination of Martin Luther King Jr.: “Hope & Fury: MLK, the Movement and the Media” (NBC, 8 p.m.)., hosted by Lester Holt.

The Charlize Theron spy movie “Atomic Blonde” (HBO, 8 p.m.) makes its premium cable debut.

The first “Pacific Rim” (FX, 8 p.m.) is on, to prepare you and promote the impending box office sequel “Pacific Rim: Uprising.”

Randy has his runway show on “Say Yes to the Dress” (TLC, 8 p.m.) and Monica of “Gold Rush” (Discovery, 8 p.m.) pops up. And then there are updates on “Say Yes to the Dress: Since I Said Yes” (TLC, 10:30 p.m.).

“Ghost Adventures” (Travel, 9 p.m.) thinks the Ripley’s Believe It or Not museum in Hollywood is haunted.

There’s a Neil Simon double bill on Turner Classic Moves with “The Odd Couple” (8 p.m.) and “Prisoner of Second Avenue” 10 p.m.).

It’s down to the elite eight in the NCAA men’s basketball tournament, with Loyola Chicago vs. Kansas State (TBS, 6 p.m.) and Florida State vs. Michigan (TBS, 8:30 p.m.). In the Division II final, it’s Ferris State vs. Northern State (CBS, 3 p.m.).

It’s still the sweet 16 in the women’s tournament, with Buffalo vs. South Carolina (ESPN, 11:30 a.m.), Duke vs. Connecticut (ESPN, 1:30 p.m.), Texas A&M vs. Notre Dame (ESPN, 4 p.m.) and Central Michigan vs. Oregon (ESPN, 6 p.m.).

In pro games it’s New Orleans at Houston (NBA, 8 p.m.).

Hockey includes Detroit at Toronto (NHL, 7 p.m.).

Spring baseball has Houston at Boston (MLB, 1 p.m.) and Colorado at Cubs (MLB, 10 p.m.).

In golf, it’s WGC Match Play finals (NBC, 2 p.m.).

IT’s the world championships in figure skating (NBC Sports, noon) and the world championship semifinals in women’s curling (NBC Sports, 2 p.m.).

College baseball starts up with Arkansas at Florida (ESPN2, noon), Tennessee at South Carolina (ESPN2, 3 p.m.) and Texas A&M at Florida (ESPN2, 5 p.m.).

In men’s college hockey it’s Cornell vs. Boston University (ESPNews, 1 p.m.), Ohio State vs. Princeton (ESPNU, 3:30 p.m.), Michigan vs. Northeastern (ESPNews, 4:30 p.m.), Notre Dame vs. Providence (ESPNU, 6 p.m.), and Air Force vs. Minnesota Duluth (ESPN2, 9 p.m.).

ggy Pop plays a 2016 “Austin City Limits” (PBS, 11 p.m.).

The Saoirse Ronan-hosted “Saturday Night Live” (NBC, 11:30 p.m.) with U2 is rerun.