Deep in the depths of his secret laboratory, boy genius Dexter computes, experiments, invents, and builds incredible creations like robots, interdimensional portals, talking animals, brain replacements, and stealth dodgeball devices, until his ditzy sister Dee Dee ruins his overly executed plans. If only he could fit her into a test tube!

Join Stan, Kyle, Cartman, and Kenny as they learn the wonders of Japanese toilets, grapple with the latest developments in A.I. technology, re-open an iconic Colorado restaurant, and meet a couple who feel the need to share the importance of their Privacy with the world. For them, it₂s all part of growing up in South Park!