The Invaders: Courier Tom Jessup loses track of a briefcase containing something vital: spores. These organisms properly nourished will grow into aliens able to tolerate Earths high oxygen content. Through mischance Jessup loses track of the briefcase which changes hands several times. Finally some kids wind up w ith it and meanwhile inside it the spores continue to grow and outside it Jessup is increasingly desperate.

Starring:

Roy Thinnes

Genre:

Sci-Fi