Fraggle Rock Season 1 Episode 21 Gobo's Discovery Episode Title:Gobo's Discovery.Episode Description:Gobo cannot decide if he really wants to be an explorer like his uncle, Traveling Matt. When he thinks Wembley and Boober have gotten lost in the Great Outer Maze, he sets out to rescue them. Wembley and Boober return, but Gobo accidentally disturbs the Maze's dangerous Invisible Garboil. It's up to him to create a plan to get the Garboil away from Fraggle Rock, and the experience leads him to an important realization.