It’s yakiniku night for the Noharas! But before they can dig in, they get wrapped up in a sizzling conspiracy and are forced to go on the run.

Shin-chan must rescue the adults of Kasukabe when they mysteriously abandon their responsibilities to relive their youth at the new 20th-century expo.

40-years ago, there was a prophecy claiming that in the year of “20” and “23”, two emitting lights would come to the Earth from outer space. And the dark light…

Follow the friendship between the Nobara family’s pet dog Shiro and a “small dinosaur”. Their connection helps the growth of Shinnosuke and the Kusakabe Defense Squad.