"At the turn of the 10th and 11th centuries Boleslav's kingdom fell apart in the fratricidal war between the Přemyslovci and the other clans the main profiteer of this being the German emperor. At that time it seemed as if the Czech state and the lineage of its princes was awaiting its end..." It is with these words that the tale of this film begins, whose narrative is based upon the the play by František Hrubín of the same name.
When the Muppets graduate from Danhurst College, they take their song-filled senior revue to New York City, only to learn that it isn't easy to find a producer who's willing to back a show starring a frog and a pig.
After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting "ghostbusters" who exterminate ghouls, hobgoblins and supernatural pests of all stripes.
A down and out young punk gets a job working with a seasoned repo man, but what awaits him in his new career is a series of outlandish adventures revolving around aliens, the CIA, and a most wanted '64 Chevy.