The Avengers (1961)
S2E2 Propellant 23
Episode Overview
At the Marseilles airport, Steed and Cathy discover that the courier they were supposed to meet has been murdered, and the vial of cutting-edge liquid rocket fuel he carried is missing. Confronted by a host of enemy operatives, the pair is determined to track down and reclaim the flask of Propellant 23.
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S2