Most of the scenes and settings in "The Cloud", including the style of the title sequence, come from the film The Crawling Eye (1958).
The word "akimbo" literally means "with hands on hips," making the character's name very fitting.
The Disneyland ride "where they shrink you down real small" was called "Adventure Through Inner Space." It was closes to make room for "Star Tours," based on the 'Star Wars' films.
The real-life explosion scenes at "In Arm's Way" were taken from alternate angles of Lethal Weapon 3 (1992).