The Noharas get abducted by aliens who claim that Shin-chan’s baby sister is their princess! Will she stay on this planet or return to Kasukabe?

Shin-chan’s parents have turned into animals, and environmental extremists are to blame! Shin-chan’s going to have to put things right.

Shin-chan is approached by his time-traveling future bride-to-be Tamiko, who asks him to help save his adult self from the ruler of Neo Tokio.