The gang is driven ashore on an island near the Bermuda Triangle when they witness an airplane being captured by a flying saucer, and learn the saucer is being controlled by a trio of one-eyed skeleton men.
This episode includes examples of the following:
- The Bermuda Triangle: Per the title, the episode takes place there, and the villains are using the legend of the Triangle to cover up their illegal activities.
- Dem Bones: The villains are a trio of one-eyed Skeleton Men.
- "Scooby-Doo" Hoax: The villains are stealing airplanes, repainting them and selling them overseas, using a hologram of a flying saucer and their alien disguises to keep people away.
