Scientist hold talking, super-intelligent babies captive, but things take a turn for the worse when a mix-up occurs between a baby genius and its twin.
Following on from the plot of the last movie, babies can communicate with each other using 'baby talk', and have an innate knowledge of the secrets of the universe. The baby geniuses become involved in a scheme by media mogul Bill Biscane (Jon Voight). Helping the geniuses is a legendary superbaby named Kahuna. He joins up with several other babies in an attempt to stop Biscane, who intends to use a state-of-the-art satellite system to control the world's population.
When valuable objects begin disappearing throughout Europe, it's up to a band of brilliant babies to travel overseas and catch the thieves before it's too late.
An adorable group of talking baby-detectives travel to the deserts of Egypt to track down the naughty baby-criminal mastermind, "Big Baby," and his partner, the super-villain "Moriarty."
When a Space Baby crash lands on Earth, the Baby Squad must race against time to stop an evil villain from taking over the universe!