Wild Jokes in the Classroom 2 (1987)

After defending the honour of a young woman dancing in the discotheque, Shark and his buddies have a brush with the law. Before long, an unexpected ally enters the picture, and the companions realise that it's been nine long years since the events of Wild Jokes in the Classroom (1983). Now, for fear of staying forever uncultured, Markos, Lakis, Stefania, and Shark decide to return to the classroom, determined to graduate high school before it's too late. However, things have changed now, and the new headmaster is bent on restoring the institution's reputation. Will Shark and his unruly friends manage to get the degree?