The Psychotronic Film Society’s long-running Wednesday night series of world cinema continues Oct. 17 at The Sentient Bean with the insanely rare Greek comedy “The Day the Fish Came Out.” Virtually unknown outside of that country, this 1967 futuristic farce was the very next picture directed by Michael Cacoyannis, the Oscar-winning filmmaker (he was nominated for the Academy Award more times than any other Greek filmmaker) who is best known in this country for his 1964 movie “Zorba The Greek.” This film is something of an anomaly in his career, in that it was not based on ancient Greek texts, but rather a recent, real-life event.

Set in 1972, the plot concerns two pilots who accidentally drop two atomic bombs on a remote, inhabited Greek resort island. The bombs do not explode, and in order to prevent a panic among those living on the island, the pilots go undercover to try and recover the bombs without anyone realizing their mistake. A strange cross between the nihilistic humor of “Dr. Strangelove” and a zany, psychedelic American or British “hippie comedy,” this forgotten film stars both a young Tom Courtenay and a young Sam Wanamaker, and is a true rarity, having never been released on home video or cable in the USA. The PFS will screen a fully uncut print of the film from a European source. 8 p.m. showtime, with discounts on craft beer and organic wine during the film.