Magnum, P.I. - Season 1 - Eps 4: Thank Heaven for Little Girls and Big Ones Too
It's the Christmas season, and against his better judgment, Magnum agrees to being hired by five young schoolgirls to find their teacher, who has seemingly gone missing after falling in love. While he's working on the case, Magnum manages to convince Higgins to let the young girls stay on the Masters estate, but he's unaware that he's being deceived in a scam over a valuable painting recently purchased by Robin Masters.
About Magnum, P.I.

Title: Magnum, P.I.
First Air Date: 1980-12-11
Last Air Date: 1988-05-01
Status: Ended
Rating: 7.2/10 (from 394 votes)
Language: EN
Seasons: 8
Total Episodes: 162
Network: CBS
Genres: Action & Adventure, Crime, Drama, Mystery
Production Companies: Belisarius Productions, Glen A. Larson Productions, Universal Television Entertainment, Universal Television
Synopsis
A private investigator who works when he wants, lives in a beachfront estate in Hawaii, drives a posh Ferrari, runs up an unlimited tab at a swank bar, and charms attractive women in peril - that's the lifestyle of Thomas Magnum, aka Magnum, P.I.
Cast

Tom Selleck
Thomas Magnum

John Hillerman
Jonathan Higgins

Roger E. Mosley
Terry 'TC' Calvin

Larry Manetti
Rick Wright