SlamDunkThe gravity-defying slam dunk is always a highlight of the high-flying NBA All-Star Saturday Night (TNT, 8 p.m.) that includes the skills competitions and three-point contest of the assembled players in Toronto.

The six remaining GOP candidates will each be wanting to make their own slam dunk in yet another political battle.  John Dickerson moderates the Campaign 2016: Republican Debate (CBS, 9 p.m.) with correspondent Major Garrett and Wall Street Journal columnist Kimberley Strassel. It’s the last vent before next week’s South Carolina primary and takes place in the Peace Center of Greenville, S.C.

City girls visiting a Wyoming dude ranch are arrested for a bar brawl and have to do community service and fall in love in a new Hallmark movie “Valentine Ever After” (Hallmark, 9 p.m.).

No tender Valentines story on Lifetime; instead a new movie about threats from using Tinder on “Wrong Swipe” (Lifetime, 8 p.m.).

Civilization returns to Nassau on “Black Sails” (Starz, 9 p.m.), but don’t worry, Flint, Silver and Billy find a new enemy.

Kid ’n Play, Joan London and Bindi Irwin are found on “Oprah: Where Are They Now?” (OWN, 10 p.m.).

Better sign of spring than the groundhog “Sports Illustrated Swimsuit 2016” (TNT, 10:30 p.m.). Nick Cannon and Rebecca Romijn host.

Vin Diesel’s “Furious 7” (HBO, 8 p.m.) makes its noisy premium cable debut.

Turner Classic Movies’ 31 Days of Oscar continues with “Steel Magnolias” (8 p.m.), “Being There” (10:15 p.m.), “Lolita” (12:30 a.m.) and “The Story of Three Loves” (3:15 a.m.).

The sport on network TV is NASCAR (Fox, 8 p.m.) from Daytona Beach.

Men’s college hoops includes Belmont at Morehead State (CBS Sports, noon), Kentucky at South Carolina (ESPN, noon), Northern Iowa at Wichita State (ESPN2, noon), TCU at West Virginia (ESPNU, noon), Georgetown at Providence (Fox, noon), Texas A&M at LSU (CBS, 1 p.m.), Kansas State at Oklahoma State (ESPNews, 1 p.m.), Memphis at Tulane (CBS Sports, 2 p.m.), Kansas at Oklahoma (ESPN, 2:30 p.m.), Xavier at Butler (Fox, 2:30 p.m.), Central Florida at Houston (ESPNews, 3 p.m.), James Madison at UNC-Wilmington (NBC Sports, 3 p.m.), James Madison at UNC-Wilmington (NBC Sports, 3 p.m.), Wyoming at Boise State (CBS Sports, 4 p.m.), Louisville at Notre Dame (ESPN2, 4 p.m.), East Carolina at Cincinnati (ESPNU, 4 p.m.), Virginia at Duke (ESPN, 4:30 p.m.), Hofstra at Delaware (NBC Sports, 5 p.m.), Saint Louis at Virginia Commonwealth (CBS Sports, 6 p.m.), Vanderbilt at Auburn (ESPN2, 6 p.m.), Penn State at Nebraska (ESPNU, 6 p.m.), Wisconsin at Maryland (ESPN, 6:30 p.m.), St. John’s at Villanova (CBS Sports, 8 p.m.), Tulsa at Connecticut (ESPN2, 8 p.m.), Texas Tech at Baylor (ESPNU, 8 p.m.), Creighton at Marquette (Fox Sports, 8 p.m.), Texas at Iowa State (ESPN, 8:30 p.m.), Air Force at San Diego State (CBS Sports, 10 p.m.), Gonzaga at SMU (ESPN2, 10 p.m.) and Colorado at UNLV (ESPNU, 10 p.m.).

Men’s college hockey has Maine at Notre Dame (NBC Sports, 7 p.m.).

The Tedeschi Trucks Band play a new “Austin City Limits” (PBS, 11 p.m., check local listings).

Melissa McCarthy returns to host “Saturday Night Live” (NBC, 11:30 p.m.), and considering her movies and her sitcom, it’s been about the best showcase for her humor. Kanye West is musical guest, and he’s pretty funny too.