* CaliforniaDoubling: The LA hills double for Eastern Europe in the opening scenes.
* FollowTheLeader: One of many attempts made during TheSixties to follow the spy fiction craze ignited by ''Series/TheManFromUncle'' and ''Franchise/JamesBond''. The "cropdusting with spores" plot in particular is ripped almost whole cloth from a first-season ''Man From U.N.C.L.E.'' episode "The Neptune Affair".
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