Randall and Hopkirk (Deceased) - Season 1 - Eps 18: Could You Recognise The Man Again?
When Jeff and Jeannie find a dead body in their car unknown to them at the time that the man they met outside was a killer, Jeannie is held hostage to keep Randall from confessing to the police and giving a testimony in court. And even the ghostly Marty can't locate her until the very last minute.
About Randall and Hopkirk (Deceased)

Title: Randall and Hopkirk (Deceased)
First Air Date: 1969-09-21
Last Air Date: 1970-03-13
Status: Ended
Rating: 7/10 (from 17 votes)
Language: EN
Seasons: 1
Total Episodes: 26
Network: ITV1
Genres: Comedy, Sci-Fi & Fantasy, Crime
Production Companies: Unknown
Synopsis
Randall and Hopkirk (Deceased) is a British private detective television series. In the initial episode Hopkirk is murdered during an investigation, but returns as a ghost. Randall is the only main character able to see or hear him, although certain minor characters are also able to do so in various circumstances throughout the series.
Cast

Annette Andre
Jeannie Hopkirk

Kenneth Cope
Marty Hopkirk

Mike Pratt
Jeff Randall

Martin Wimbush
Head Waiter