Trivia: The song playing on the radio when Rosebud breaks in, 'I'd Take a Bite of the Moon For You,' references the episodes 'Alone Together' and 'Tick Vs. Chairface Chippendale.' The song playing when El Seed breaks into the botanical gardens is a jazzy version of the show's theme song.
Coach Fussell's Lament - S2-E5
Trivia: The weird truck drivers who pick up the hitchhiking heroes are the anthropomorphized trees from the episode 'Tick Vs. El Seed.'.