Mokey makes way too many promises to keep and quickly forgets most of them, especially one to knit a new tarpaulin for the Trash Heap before the first snow falls.
Red and Wembley find a creature who can be whatever anyone believes he is, but when the Gorgs think there's a monster in the basement, things get ugly.
Gobo decides to start a school for explorers. On their first journey, Gobo blindly follows Matt's instructions and ignores his own instincts, to the detriment of all..
Boober is testing baloobiuses (Fraggle tails, which flair out when a Fraggle is scared). Wembley wants to get even and scare Boober back, but things go too far - or do they?
Pa Gorg decides to rid his and Ma's "Kissing Rock" of Fraggles once and for all with the Boredom Juice that Junior found, but things go horribly wrong.
Ma and Pa Gorg go on an overnight trip, leaving Junior alone in the castle for the first time. Meanwhile, Gobo thinks that all the Gorgs have gone on vacation, so he decides to explore their castle.
