The Secret Lives of Waldo Kitty (later called The New Adventures of Waldo Kitty) is an American animated and partially live-action television series, produced by Filmation, which originally aired for one season Saturday mornings on the National Broadcasting Company (NBC) from September 6 to November 29, 1975. Howard Morris, Jane Webb, and Allan Melvin provided voices for the three main characters on the series. The show follows a cat named Waldo who daydreams of being a superhero and defeating the villainous bulldog Tyrone. It was inspired by James Thurber's 1939 short story "The Secret Life of Walter Mitty", and his wife Helen Thurber sued Filmation in 1975 for creating the series without the permission of her late husband's estate. The outcome of the decision resulted in the series being