Trivia: The Cattanooga Cats
- Hey, It's That Voice!: Daws Butler (Lambsy, Crumden), Casey Kasem (Groove), Allan Melvin (Bristle Hound, Bumbler), Janet Waldo (Jenny) and Don Messick (Happy) were in the voice cast.
- What Could Have Been: Hanna-Barbera had plans to revive The Cattanooga Cats and The Hair Bear Bunch as revolving features of the second season of Two Stupid Dogs. The plans were eventually scrapped.