Siporta, the space conqueror, has captured the only being in the universe that can stop him: the Canon Robot. Unable to control it, he decides to melt it down and use the parts to create his own combat robot. Now the people of Earth are in a race against time to save the Canon Robot from destruction so that they can use it to defeat the otherwise invulnerable Siporta.
Ever in search of adventure, explorer Allan Quatermain agrees to join the beautiful Jesse Huston on a mission to locate her archaeologist father, who has been abducted for his knowledge of the legendary mines of King Solomon.
A young teenager named Mikey Walsh finds an old treasure map in his father's attic. Hoping to save their homes from demolition, Mikey and his friends Data Wang, Chunk Cohen, and Mouth Devereaux run off on a big quest to find the secret stash of Pirate One-Eyed Willie.