In the midst of working off a prison sentence, an astronaut named Gary meets mysterious, planet-destroying alien Mooncake, with whom he immediately bonds. But Gary doesn't realize that his new sidekick is actually in demand by the sinister Lord Commander, who will do all he can to secure Mooncake's untapped evil powers. This animated intergalactic comedy follows Gary and Mooncake's adventures to unlock the mystery of "Final Space," where the universe ends.