Whether it's an inflatable muscle costume or a Kung Fu suit, Jett, the fastest jet plane, delivers packages to children all around the world. Attentive listeners experience exciting adventures and learn a little about the respective countries and circumstances. Here’s an overview of all the stories:

Chaos in Hong Kong: Jett delivers a package containing a Kung Fu suit to little Shun Yip in Hong Kong, who dreams of becoming like his great Kung Fu heroes one day. On their way to the Kung Fu school, they suddenly encounter an alien, whom Shun Yip bravely confronts.

The Search for the Yeti: Jett must deliver a package to little Dema in Bhutan. It's a first aid kit, as she and her father take care of the animals in a wildlife reserve. After a recent avalanche, they immediately set out to search for animals in distress upon Jett's arrival.

Floating Piglets: Jett's mission today takes him to the Bahamas, to an island called Big Major Cay. Jermaine is kind enough to show him the famous swimming pigs that live there. But suddenly, a fierce storm brews, putting the adorable animals in great danger.

The Muscle Package: Jett flies to Athens to deliver a package with an inflatable muscle costume to little Nikos, who plays Heracles in a theater play. During rehearsals, a small accident occurs.

Voice actors: Bela Schneider, Moira May, Betty Förster, Joachim Kaps, Wolfgang Wagner, Juliana Götz, Tom Razcko, Clara Meinecke, Annalie Steiner, Baldur Berg, Ulrich Blöcher, Luca Hinz, Thomas Karallus.