ONE_DROP“Imagined by Cirque du Soleil – One Night for One Drop” (CBS, 8 p.m.) brings a little circus to your Saturday night. The annual event is usually held each year on World Water Day (though this year’s World Water Day is March 22). But this year’s seventh edition was presented on International Women’s Day in Las Vegas so that is a theme. Tara Lipinski and Blue Man Group man appearances in the show, created each year to raise money for One Drop, an international non-profit organization dedicated to providing access to safe water. Since 2013, they’ve raise over $35 million for the cause.

A new season starts for the reignited “Trading Spaces” (TLC, 8 p.m.), working on homes that will have 50s and 70s themes. College football themes are created on the revived spinoff “While You Were Out” (TLC, HGTV, 9 p.m.) with teams from both “Trading Spaces” and “Good Bones.” Each network’s version of the show will be different — TLC’s will focus on the people; HGTV’s on the makeovers.

The fourth film in the humanity-trimming series, “The First Purge” (HBO, 8 p.m.), with Marisa Tomei and Y’lan Noel, makes its premium cable debut as does “Searching” (Starz, 8 p.m.), the missing daughter drama from last year starring John Cho.

The story of the godmother of cocaine, Griselda Blanco, is told in the new series “Notorious” (Reelz, 9 p.m.).

A kidnapper from a past can returns and threatens to ham a child on “Ransom” (CBS, 9 p.m.), the only new scripted show tonight on broadcast TV.

There is mother-daughter tiger drama on “The Secret Life of the Zoo” (Animal Planet, 10 p.m.).

A bad girl of gospel with an alcohol addiction problem sees “Ilyanla: Fix My Life” (OWN, 9 p.m.).

The new romance “Flip That Romance” (Hallmark, 8 p.m.) stars Julie Gonzalo and Tyler Hynes as competing renovators who eventually find common ground.

In “Mommy Group Murder” (Lifetime, 8 p.m.), Leah Pipes plays a new member to a shady neighborhood group.

Autumn arrives on “The Polar Bear Family & Me” (BBC America, 9 p.m.).

On “Pit Bulls and Parolees” (Animal Planet, 9 p.m.), a dehydrated dog is rescued.

There’s a double feature about the Apache leader Cochise on Turner Classic Movies with “Broken Arrow” (8 p.m.) and “Fort Apache” (10:15 p.m.). The noir film at 12 is “High Sierra” (midnight). Then comes the David Lean epic “Ryan’s Daughter” (2:30 a.m.).

In the grab bag of Saturday afternoon matinee programming there is only the occasional hint of St. Paddy’s Day, with “Finian’s Rainbow” (5:15 p.m.). Elsewhere there is “Leprechaun 5: In the Hood” (Syfy, 5 p.m.), “Leprechaun: Back 2 tha Hood” (Syfy, 7 p.m.) and “Leprechaun 2” (Syfy, 9 p.m.).

Prime time NBA action has Golden State at Oklahoma City (ABC, 8:30 p.m.).

Hockey has St. Louis at Pittsburgh (NHL, 1 p.m.) and Washington at Tampa Bay (NHL, 7 p.m.).

Spring baseball has St. Louis vs. Washington (MLB, 1 p.m.) and Angels at Cleveland (MLB, 4:10 p.m.).

Championship Saturday has Maryland- Baltimore County at Vermont (ESPN2, 11 a.m.) in the America East final, Pennsylvania vs. Harvard (ESPNU, 12:30 p.m.), Rhode Island vs. St. Bonaventure (CBS Sports, 1 p.m.), Florida vs. Auburn (ESPN, 1 p.m.), Michigan State vs. Wisconsin (CBS, 1 p.m.), Norfolk State vs. North Carolina Central (ESPN2, 1 p.m.) in the Mid-Eastern Athletic final, Princeton vs. Yale (ESPNU, 2:30 p.m.), Kentucky vs. Tennessee (ESPN, 3 p.m.), Memphis vs. Houston (ESPN2, 3 p.m.), Minnesota vs. Michigan (CBS, 3:30 p.m.), Davidson vs. St. Louis (CBS Sports, 3:30 p.m.), Cincinnati vs. Wichita State (ESPN2, 5 p.m.), Iowa State vs. Kansas (ESPN, 6 p.m.) in the Big 12 final, San Diego State vs. Nevada (CBS, 6 p.m.) in the Mountain West final, Villanova vs. Seton Hall (Fox, 6:30 p.m.) in the Big East final, Buffalo vs. Bowling Green (ESPN2, 7:30 p.m.) in the Mid-America final, Montana vs. Eastern Washington (ESPNU, 8 p.m.) in the Big Sky final, Old Dominion vs. Western Kentucky (CBS Sports, 8:30 p.m.) in the Conference USA final, Florida State vs. Duke (ESPN, 8:30 p.m.) in the ACC final, New Orleans vs. Abilene Christian (ESPN2, 9:30 p.m.), New Mexico State vs. Grand Canyon (ESN, 10:30 p.m.) in the Pac-12 final, and UC Irvine vs. Long Beach State (ESPN2, midnight) in the Big West final.

Women’s games include Ohio vs. Buffalo (CBS Sports, 11 a.m.) at the Mid-American final and Rice vs. Middle Tennessee (CBS Sports, 5:30 p.m.) in the Conference USA final.

Golf has third round play in the Players Championship (NBC, 2 p.m.).

Auto racing has 12 Hours of Sebring (NBC Sports, 3 and 7 p.m.), the NXS 300 (Fox Sports 1, 5 p.m.),  Saturday Nitro (Fox Sports 1, 9 p.m.) and Australian Grand Prix (ESPN, 1 a.m.).

Rugby’s Six Nations has Italy vs. France (NBC Sports, 8:30 a.m.), Wales vs. Ireland (NBC Sports, noon) and England vs. Scotland (NBC Sports, 1 p.m.).

Dan Auerbach and Shinyribs play an “Austin City Limits” (PBS, 11 p.m., check local listings) from last year.

“Saturday Night Live” (NBC, 11:30 p.m.) has a rerun, with the Matt Damon-Miley Cyrus show from Christmas. At 10, it’s one with Jonah Hill and Mariah Carey.