44. Psycho (1960)
Episode: Cape Feare (Season 5)
The original moment: Handsome if twitchy Bates Motel proprietor Norman laughs while talking to doomed runaway Marion Crane in the pre-shower bit of Hitch’s classic.
The Simpsons moment: Tracking the family to Terror Lake after his latest release from prison, Sideshow Bob stays at the Bates Motel, and in a direct take on the Psycho shot he's pictured writing a death threat to Bart with stuffed birds in the background.
43. One Flew Over The Cuckoo’s Nest (1975)
Episode: So It's Come to This: A Simpsons Clip Show (Season 4)
The original moment: In a tragic/triumphant finale, Jack Nicholson’s brutally lobotomised livewire ruffian RP McMurphy is mercifully smothered by giant native American Chief Bromden, who then escapes by throwing a water fountain throw a window.
The Simpsons moment: Having been hospitalised by Bart’s practical joke (fizzing a can of beer to nuclear levels), Homer is half-smothered by a deranged Barney, who then crashes through the hospital window and runs into the distance.