Crayon Shin-chan Movie 21: Bakauma! B-Kyuu Gourmet Survival Battle!!

Comical adventure story starring Kasukabe Defense Forces and dealing with food as theme. Kasukabe Defense Forces (Shinnosuke and his mates: Kazama-kun, Nene-chan, Masao-kun and Bo-chan) decide to attend B-class Gourmet Carnival, a big event in Kasukabe, without their parents, to eat very tasty yakisoba sauce cooked by Sauces Ken. On the way, a mystery woman asks them to bring a legendary sauce to Sauces Ken. They head to the event site with the sauce, but they wander off into a mountain, and A-class Gourmet Organization, an organization plotting to eliminate B-class gourmet, seeks to take the sauce away from them.