Andrew, Judy, and Thudd, shrunk down to the size of bugs by Andrew's Goa Constrictor garbage disposal machine, find themselves in big trouble when they are picked up by a bat and flown to a cave where bugs are regarded as a tasty treat.
When an electric fish shrinks Andrew, Judy, and Thudd to the size of bacteria, they end up being injected by a mosquito into Uncle Al's bloodstream where they must battle germs, parasites, and white blood cells.
Andrew, Judy, and Thudd, still the size of bugs, try to help a stranded Arctic tern and end up in the Australian rain forest which poses all kinds of problems for the minuscule trio.
While in the Australian desert, ant-sized Andrew, his cousin Judy, and Thudd the robot are carried away by a dust-devil and face many dangerous creatures, from a flock of wild parakeets to a Perenti lizard, as they try to make their way back to Uncle Al.
Andrew, his cousin Judy, and Thudd the robot, having been shrunk by a shrinking machine, encounter many terrifying creatures, including Mrs. Scuttle, as they try to reach the Atom Sucker before it explodes.
After being shrunk by a shrinking machine, Andrew, his cousin Judy, and Thudd the robot encounter drain flies, a cockroach, and worse as they work their way through Mrs. Scuttle's house toward safety.
Ten-year-old inventor Andrew Dubble creates a machine designed to swallow and shrink garbage, but he finds himself in trouble when the machine shrinks him, his robot Thudd, and his cousin Judy down to the size of beetles and they are carried off to a dangerous dump ruled by worms.
After being shrunk by a shrinking machine and ending up on a dog having a bubble bath, Andrew, his cousin Judy, and a tiny robot try to survive encounters with insects, soapy bubbles, and bathtub and toilet drains.
