The Grinch Grinches the Cat in the Hat (1982)

The Grinch Grinches the Cat in the Hat is an American animated musical television film and crossover starring Dr. Seuss' famous character, The Cat in the Hat and antagonized by The Grinch from How the Grinch Stole Christmas!. It premiered on May 20, 1982 on ABC and won two Emmys.

More at Wikipedia.