
Time Travelers
When a novel virus devastates the world in 1976, Dr. Earnshaw notices that it resembles a virus that a Dr. Henderson found a cure for in 1871 Chicago. However, the doctor perished and his notes were destroyed in the Great Chicago Fire. Earnshaw is approached by a government agent, Jeffrey Adams, who informs him of a Top Secret time traveling technology and asks for his assistance in finding Dr. Henderson and his cure. But their adventure becomes a race against time when a glitch sends them back to the day before the fire instead of the planned four days.
Top Billed Cast

Sam Groom
Dr. Clint Earnshaw

Tom Hallick
Jeff Adams

Francine York
Dr. Helen Sanders

Booth Colman
Dr. Amos Cummings

Richard Basehart
Dr. Joshua Henderson (1871)
Featured Crew
Jackson Gillis
Teleplay

Rod Serling
Story
Alexander Singer
Director

Irwin Allen
Producer
Morton Stevens
Original Music Composer
Fred Jackman Jr.
Director of Photography
Bill Brame
Editor
Marvin Paige
Casting

Eugène Lourié
Art Direction