How closely related are Teorema (1968), Down and Out in Beverly Hills (1986) and Visitor Q (2001)?
There are obvious strong parallels but I haven't see any interviews with Mazursky or Miike discussing the Pasolini film.
The core relationship is that all three films involve a mysterious visitor who enters the life of a dysfunctional family and repairs the familial bonds. Thus, all three films share the same basic plot.
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Teorema 1968
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