T1, E5: Some of the Cultivators eat processed junk food, while the others must find a way to snap them out of the food shock before it’s too late! Dario, Ray, Miriam and Mariana give a tour of their urban garden in “Kid Cultivate.” Wayne Coyne shines on a prismatic journey. In a 60s sci-fi B-movie homage, a boy explores the geography of his taste buds. Nona, Peyton and Jon Luke have an open-faced face-off in “Snack Challenge.”