- 1931 - Jeff Randall and Marty Hopkirk born. Based on age of Mike Pratt and Kenneth Cope at start of filming for Randall and Hopkirk (Deceased) 1969.
- 1939 - Jeannie Hopkirk born. Based on age of Annette Andre at start of filming for Randall and Hopkirk (Deceased) 1969.
- 1951 - A fire breaks out in a remote hotel, killing a young woman and her boyfriend, and triggering a series of unexplained deaths.Whatever Possessed You?. Virginia Carpenter reveals the fire and it's aftermath to Jeff and Jeannie.