The Agravity Boys have finally obtained their very own time machine and are well on their way to saving the Earth when Baba and Arsh accidentally send themselves on a journey to α-Jumbro 100 years in the past! But as things settle down and the boys prepare to enact their world-saving plan, Grislow is given some shocking news—that Chris is, in fact, a boy (and has been the whole time). The shock is so massive that his psyche is sent on an unbelievable journey and is awakened to the mystical art of Penis Magic! And just in time too, considering a giant galaxy-eating monster is coming right for α-Jumbro! Now, Grislow must teach the rest of the boys to awaken their own Penis Magic powers if they want to have any chance of surviving and THEN saving the world!