Gary adında bir astronot ve Mooncake denen gezegeni yok eden yardımcısı, evrenin fiilen bittiği ve gerçekte var olduğu yerde gizemini açığa çıkarmak için uzaydan serileştirilmiş yolculuklara atılıyor.
Final Space is an epic animated sci-fi comedy about a spaceman named Gary who is working off a prison sentence and makes a mysterious new alien friend, Mooncake, that he immediately bonds with. But what Gary doesn't know is that his adorable new sidekick is actually wanted by the sinister Lord Commander who will stop at nothing to use Mooncake's untapped powers for evil.