76-03-10 CBS Radio Mystery Theater I Thought I Saw a Shadow

Plot
A scientist working on the development of an invisibility serum believes he has finally found it and uses himself as a test subject. However, things don't go as planned when instead of making him invisible, it separates him from his shadow. Once unleashed his shadow goes on a homicidal rampage that causes his estranged wife to fear for his sanity.
Episode
0445
Air Dates

First Run - March 10, 1976
Repeat - July 27, 1976

Actors

Nat Polen
Joan Shay
Gordon Gould
Lloyd Battista