Urusei Yatsura: The Obstacle Course Swim Meet, It's a Rumic World: Urusei Yatsura

Sinopsis

On a very hot summer day in Tomobiki town, Lum, Ataru, and the rest of the gang are looking forward to using the school's pool. But the teachers have other plans: setting a ludicrous obstacle course between the students in their swimsuits and the pool... naturally this ends in complete chaos.