Doc invents a diet drink, the Fraggles have a strange dream that convinces them that Mokey is their new prophet; causing Mokey to become the new Trash Heap that dispenses wisdom.

Doc finds a old chandelier and builds a combination alarm, smoke detector and lighting unit, Wembley becomes infatuated with a new friend.

The Oldest Fraggle introduces his fellow Fraggles to the dangerous ritual of choosing a ruling Fraggle. Uncle Matt meets the string people in his travels.

Wembley and Red discover a old treasure map and go in search of the Ancient Treasure of the Fraggles. Meanwhile, Sprocket goes roller skating.

Mokey tries to stand up for the Doozers who's elaborate constructions are regularly torn apart and eaten by the Fraggles.

Wishy-washy Wembley's indecisiveness gets him into a world of trouble when it comes time to choose the job he is going to do.

Doc's effort to improve the plumbing in his workshop makes waves throughout the World of the Fraggles, Red has a one Fraggle swimming extravaganza.

When the scatterbrained but prepetually enthusiastic inventor Doc moves into an old workshop with his faithful dog Sprocket, we discover that he is not alone and there are a race of strange creatures known as Fraggles living in a cave that connects to the workshop through vents. Meanwhile, Gobo's Uncle Traveling Matt is about to start his great adventure into outer space.