There are tons of "stoner movies" that I'd love to recommend, but this one really stands out.
It's a documentary but very funny while being honest, about an hour and a half long. Here is a link to a free showing:

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mjmomma Reviewed by mjmomma on . Movies While Stoned? I am a very big fan of movies and usually sit down to watch at least one movie a night after getting baked. Recently I have been looking for some more movies that will be extremely fun to watch while stoned. If you could please list any\all movies that really made you trip\got you thinking while you were high in a numbered list that would be awesome. Rating: 5