Synopsis by Hal Erickson
The first multipart Mission: Impossible adventure of the 1969-70 season, "The Controllers" was written by Laurence Hearth. A mind-controlling drug known as B-230 has been developed by enemy scientist Dr. Karl Turek (David Sheiner). To prevent Turek from turning the populaiton of the Free World into mindless zombies, IMF agents Phelps and Meredyth (Dina Merrill) impersonate two disloyal American scientists who had been scheduled to work on perfecting the drug. Part One of "The Controllers" first aired October 12, 1969.