Gumball’s biggest fan finds the show’s missing episode and accidentally opens a portal connecting his world to Gumball’s cartoon world. Upon meeting his heroes, our super fan decides to team up with Gumball, Darwin, Anais, Richard and Nicole to save them from a nefarious force overtaking Elmore, while inadvertently unleashing a threat of their very own.

A boy and his mum find themselves suddenly transported somewhere across the universe surrounded by an amazing array of aliens from new and unknown corners of the galaxy. While trying to work out who brought them there and why, they make a new home for themselves and encounter new friends, including Mo, the only other being from Earth – a dinosaur.