A magic stone makes Wembley grow big. He runs out of Fraggle Rock and into the Gorgs' Garden where Junior Gorg mistakens him for a cousin Gorg.

Pa Gorg has Junior Gorg replace all the radishes with Banoony Berries and placed all the radishes in the shed. Inspired by one of Uncle Traveling Matt's postcards, the Fraggles plan to use cowboy hats to lure the radishes back to them.

Boober obtains a lucky rag doll made by Mokey until Wembley accidentally drops it down a pit.

Where No Fraggle Has Gone Before: Wembley make an expedition to climb to the tallest spire of the Gorg's castle in order to reach the top of the Universe.

When Gobo begins to question his importance of drawing up maps, he is visited by Cantus the Minstrel. Cantus places Gobo into a trance where Gobo awakens in the time of prehistoric Fraggles where he befriends prehistoric versions of his four friends.