When Jack's ship runs out of fuel, his friends race against time to make enough bio-fuel for him to get back home... before Mom and Dad discover his spaceship hidden in the garage.

Jack is a small alien who finds everything on Earth fascinating. Spurred on by his insatiable need to learn about creatures and phenomena from Earth and outer space, Jack boldly yet recklessly guides his alien friends through some tricky adventures. Developed for children from six to nine years old, Jack mixes humour, adventure, and science. The series helps children discover amazing new facts about the world and space around them.