Mirthworms Masquerade is an animated television special, produced by Perennial Pictures. It was released in 1986.
Wormingham going to have masquerade ball, Bert want to ask Crystal to be his date on the ball, Wormaline want to have Bert to dressed like Prince Pringle and Crystal get a heartbroken, when Bert is with Wormaline, will Bert want to get Crystal to the ball before late.
- Jerry Reynolds - Bert Worm, Teddy Todders, Wilbur Diggs, Prince Pringle
- Rachel Rutledge - Crystal Crawler
- Miki Mathioudakis - Wormaline Wiggler
- Peggy Powis - Eulalia Inch, Agnes Bagly, Dribble Bagly
- Russ Harris - Eudora Vanderworm, Mayor Pettiworm
- Michael N. Ruggiero, C. Adam Dykstra - Townsworms