Boober needs a radish for his radish roast. When the Fraggles discover the largest radish ever known growing in Junior Gorg's garden, they set about getting it. The radish, Junior named Geraldine, turns out to be the closest thing to a friend Junior has. Mokey must rescue Geraldine before she becomes part of one of Boober's recipes. Meanwhile, Doc's planned trip to his high school reunion with Henry Sackbutt is interrupted when Sprocket is trapped inside a trunk.