A gem warfare attack is planned against the United States by one of America's Cold War enemies. Captain Midnight is called upon to recover a missing formula which can protect the country from the virus.
Richard Webb
Captain Midnight
Olan Soule
Sid Melton
D. Ross Lederman
Director
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"The Invisible Terror" is episode 24 of Captain Midnight season 1. Directed by D. Ross Lederman, it aired on February 12, 1955.