Diary of a Nudist

Diary of a Nudist, also known as Diary of a Girl Reporter, Diary of a Naturist, Girl Reporter Diary, Nature Camp Confidential, Nature Camp Diary or Nudist Confidential, is an American 1961 nudist film produced and directed by Doris Wishman.

However, Stacy grows fond of the nudists and convinced of their healthy natural lifestyle. Arthur fires her for disobeying him and joins the club himself. Only his expos turns into praise as well.

Source: Wikipedia