Magnum, P.I. - Season 7 - Eps 9: Novel Connection (I)
An attempt is made on the lives of Robin's guests and Magnum is upset that one guest wants mainland investigator Jessica Fletcher to handle the case. The crossover continues on Murder, She Wrote S03E08 Magnum on Ice (II).
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