Magnum, P.I. - Season 1 - Eps 1: Don't Eat the Snow in Hawaii (1)
When Thomas's childhood friend and Naval comrade Dan Cook turns up dead, Thomas is adamant that the official cause of death, a burst bag of smuggled cocaine, is bogus, and enlists the aid of Dan's sister Alice in taking on the Navy to uncover the true nature of the top-secret assignment Dan was working on before his death.
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