It featured Yogi, Boo-Boo, and Cindy Bear partaking in holiday festivities with other Hanna-Barbera characters, including Huckleberry Hound, Snagglepuss, and Augie Doggie and his Doggie Daddy.

The most famous bear in the world was ‘Old 399,’ a much beloved grizzly sow that liked to hang around the highways ...