Danger at the Tendo Dojo!
Ayoushi! Tendo Dojo
"Tendo Dojo receives a letter of challenge. In exchange for a date, Shampoo offers Ranma the Instant Nan'niichuan, which can permanantly turn Ranma back into a man. Akane is left by herself to defend the Tendo Dojo while Ranma is out with Shampoo.” (source)