When Flute goes for surgery to have a second testicle put in, he finds an unexpected side effect is being able to see the future anytime he is hit in the balls. But the joy of being psychic all comes crashing down when he sees a vision of himself proposing to Martinez and he must stop this future before it becomes his reality. Summers and Pentos find themselves arguing over who is Flute’s best friend. Disappointed that Flute doesn’t share their sentiments, they turn to one another to help live their best lives and end up competing together on "The Grimazing Race,” Grimsburg’s version of the popular reality competition show. (thetvdb.com)