Flash Gordon Conquers The Universe (3 Disc Set) DVD – Carol Hughs, Charles Middleton 

A mysterious plague is causing instant death on Earth. Flash, his beautiful sidekick, Dale, and Dr. Zarkov speed off to the planet of Mongo to find the source of the problem. There they encounter Ming The Merciless who is the perpetrator behind the deadly ‘Purple Dust.’ They learn of an antidote – Polarite, which is found only in the mountainous wastelands of Frigia but in order to get it they must face hazardous obstacles along the way including giant lizards and the Rock Men. Can Flash elud…