A bizarre allergic reaction to a bee sting causes Rocket to inflate like a giant floating balloon—and Jack must find a source of adrenalin to help return his pal to normal. Fear is the answer!

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.