Mirthworms were a trio of animated TV specials with earthworms. Produced by Perennial Pictures, a total of three were made: A Merry Mirthworm Christmas (1984), A Mirthworm Masquerade (1987), and Mirthworms on Stage (1988).
Mirthworms provides examples of:
- An Aesop: The show's obligation.
- Christmas Episode
- Driven by Envy: In "Mirthworms On Stage", Wormaline gets jealous of Crystal Crawler getting the part of Sleeping Beauty in the local theatre. She plots to ruin Crystal's performance as revenge.
- The '80s
- Jerkass: Woramline Wiggler
- Laser-Guided Karma: Wormaline and her lackey, Teddy, in the end.
- Punny Name: Many of the character names had to do with worms.
- Psychotic Smirk/Slasher Smile: Wormaline does one of these in at least each special.
- Recycled In Space: The Smurfs with worms.
- Verbal Tic: Adding "worm" to every sentence
- Very Special Episode