Filmed in 1971, this offbeat English chiller features George Sanders and Beryl Reid as parents who make a pact with a mysterious frog-worshipping cult to resurrect their dead biker son. Once the leather-clad zombie rides his bike out of his grave, he urges his old gang to kill themselves so they can join him in "immortality." Nicky Henson, Patrick Holt also star. AKA: "Psychomania." 86 min. Standard; Soundtrack: English.