"Quailman vs. the Triad of Terror" is the 59th episode of Doug in the Disney era. It first aired on May 15, 1999, on ABC.
An alien being named Generalissimo Twang tries to convince the three evildoers Dr. Klotzenstien, RoboBone and the Golden Salmon that they can kill Quailman if they work together. Quailman defeats Klotzenstein, the Golden Salmon, and RoboBone and puts them in jail.
- Doug Funnie/Quailman
- Guy Graham/The Golden Salmon
- Lamar Bone/RoboBone
- Roger Klotz/Dr. Klotzenstein