THE NIGHT THAT CHANGED AMERICA: A GRAMMY SALUTE TO THE BEATLES 8 p.m., CBS
Like a lot of watershed cultural moments, many people remember where they were the night the Fab Four made their debut on “The Ed Sullivan Show.” Fifty years to the day, date, and time, the Grammys celebrate that pivotal moment with a special dedicated to the artistry of John, Paul, George, and Ringo, taped the day after the recent awards. The really big show includes an impressive lineup of Beatles-loving musicians — including Maroon 5, Katy Perry, John Legend, Joe Walsh, and Dave Grohl — performing their favorites and Macca and Ringo playing together.
SPIES OF MISSISSIPPI 10 p.m., WGBH Channel 2
From filmmaker Dawn Porter (“Gideon’s Army”), this Independent Lens doc examines the Mississippi Sovereignty Commission, a secret agency created by the state during the 1950s to spy on its citizens, maintain segregation, and preserve “the Mississippi way of life.” Among the events covered is the assassination of Medgar Evers.
138th WESTMINSTER KENNEL CLUB DOG SHOW 8 p.m., USA
Madison Square Garden plays host to the annual throwdown to determine which pristinely manicured canine will be “best in show’’?
SUPER SKYSCRAPERS 10 p.m., WGBH Channel 2
This series on some of world’s most famous tall buildings continues with a crane of the neck at the Leadenhall Building in London. According to the press notes, the tower has a steel exoskeleton and is being constructed in one locale and assembled on location like a giant LEGO set.
WINTER OLYMPICS 2014 8 p.m., NBC
It’s a full docket in prime time tonight with the men’s short program in figure skating, men’s freestyle skiing (slopestyle), women’s skeleton, and women’s speed skating. It’s the gold medal final for that last sport and it finds roommates and training partners Heather Richardson and Brittany Bowe going head to head.
HOUSE OF CARDS, Streaming on Netflix
It’s Valentine’s Day. What better way to celebrate than with a little old-fashioned political treachery? Binge on Season 2 of the Emmy-winning Kevin Spacey-Robin Wright drama as it returns for more D.C. machinations.
BLACK SAILS 9 p.m., Starz
Ahoy, mateys, have you swashed your buckle yet with this “prequel” to “Treasure Island,” from blow-’em-up filmmaker Michael Bay (“Transformers,” “Armageddon”)? Set 20 years before crusty Captain Flint and his gang made their journey, the series aims to add a dash of adventure to Saturday nights.