Are dolphins really among the smartest animals? Is it true that they have the ability to learn, communicate and solve problems? Jack must find a young aquarium dolphin that he accidentally released into the ocean before the gentle mammal gets into trouble.

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.