Charlie's Angels - Season 1 - Eps 19: Dancing in the Dark
The Angels investigate a gigolo who charms wealthy women in a ballroom dancing class and then blackmails them. Jill masquerades as a disco dance instructor, Sabrina as a rich heiress and Kelly as a replacement for the gigolo's usual photographer.
About Charlie's Angels

Title: Charlie's Angels
First Air Date: 1976-09-22
Last Air Date: 1981-06-24
Status: Ended
Rating: 6.676/10 (from 210 votes)
Language: EN
Seasons: 6
Total Episodes: 115
Network: ABC
Genres: Action & Adventure
Production Companies: Spelling-Goldberg Productions, Columbia Pictures Television
Synopsis
Beautiful, intelligent, and ultra-sophisticated, Charlie's Angels are everything a man could dream of... and way more than they could ever handle! Receiving their orders via speaker phone from their never seen boss, Charlie, the Angels employ their incomparable sleuthing and combat skills, as well as their lethal feminine charm, to crack even the most seemingly insurmountable of cases.
Cast

Jaclyn Smith
Kelly Garrett

Cheryl Ladd
Kris Munroe

Tanya Roberts
Julie Rogers

David Doyle
John Bosley

John Forsythe
Charles Townsend (voice)