Best Funny Movies - Larva Season 1 Episode 18: Cocoon 1 br PLOT Larva SEASON 1 - GRATE br Red and Yellow, two strange Larva who live underneath a storm drain, encounter many surprises which fall from the outside world to their underground universe. For these two wriggly friends, anything is a good excuse for fun. See the world from Red and Yellow’s point of view, and experience what a dangerous and exciting place the world can be for such small friends.