Mayda and the Monster is the second last Zillion Dollar Adventures segment of the Richie Rich series. It first aired 12 November 1983 on ABC on the tenth episode of Season 4, as part of The Monchhichis/Little Rascals/Richie Rich Show. It was the second of two appearances of Mayda Munny in the animated series.
- Nancy Cartwright as Gloria Glad
- Sparky Marcus as Richie Rich
- Frank Welker as Dollar the Dog
- Janet Waldo as Mayda Munny
- This was the last segment aired in the syndicated series. "Computo" was the actual final segment aired 19 November 1983 on ABC - it was never aired in syndication.