S1·E11 Panic on the Beach!
Aired August 6, 1983
Synopsis
Hibari goes bikini shopping but Kaori arrives and steals a swimsuit Hibari wanted. As revenge Hibari collapses the changing room walls, exposing Kaori's breasts in public. Kōsaku and Seiji rush to save Hibari but she cannot leave the water as her bikini has fallen off.