The crew are tasked with overthrowing a regime of time-altering cyborgs, who have travelled back in time and enslaved humanity, outlawing technology to prevent them from ever becoming a threat.
The crew crash-land in the United States and, after recovering, make their way toward a nearby town, discovering they're in an alternate 1950s where the Expanoids have enslaved humanity and outlawed technology.
After acquiring disguises, the gang head toward a speakeasy home to scientists in-hiding, led by Harmony de Gauthier (later revealed as Professor Baldwin).
Harmony initiates a global EMP, and the crew hurriedly back their getaway before Starbug could be rendered offline and successfully return to Red Dwarf.
[4] An article by Red Dwarf fan website, Ganymede and Titan, stated that "plot, jokes and action scenes alike zip by, rarely outstaying their welcome and creating what is a dense and satisfying episode.