Which of these Hanna-Barbera cartoons appeared first on TV?

Tom and Jerry is an American animated series of short films created in 1940, by William Hanna and Joseph Barbera. It centers on a rivalry between its two title characters, Tom and Jerry, and many recurring characters, based around slapstick comedy.

In its original run, Hanna and Barbera produced 114 Tom and Jerry shorts for Metro-Goldwyn-Mayer from 1940 to 1958. During this time, they won seven Academy Awards for Animated Short Film, tying for first place with Walt Disney's Silly Symphonies with the most awards in the category.

The Flintstones was originally broadcast from September 30, 1960, to April 1, 1966 in a prime time schedule, the first such example of an animated series.

The Yogi Bear Show debuted on January 30, 1961, and ran for 33 episodes until January 6, 1962, and included two segments, Snagglepuss and Yakky Doodle.

The Jetsons originally aired on primetime from September 23, 1962, to March 17, 1963, then later in syndication.