While Marge and Lisa are talking to Principal Skinner in his office, he looks out the window at a house and starts an imaginary conversation with his mother. This is a clear reference to Alfred Hitchcock's 1960 film Psycho about a man with a peculiar relationship with his mother.
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S 23 : Ep 12
Aired 1/29/12
S 23 : Ep 11
Aired 1/15/12
S 23 : Ep 10
Aired 1/8/12
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