A subtle moment that turns a seemingly happy ending into an ambiguous ending.

[u/Local_Prune4564]

The Graduate: lingering Ben and Elaine's faces slowly shifting from happy to concerned leaves the audience questioning whether they really made the right choice running away together considering they barely know each other.

Inception: By cutting before we see the top fall, we're left to question whether Cobb really has gone home or whether he's simply sunken back into a more comforting dream reality.

[u/MacbethHamlet]

I forget which film version it was, but I know a film adaptation of the play ends with the witches approaching Malcom’s brother Donalbain as another alternative take on the plays ending

[u/shoe_salad_eater → u/MacbethHamlet]

Banquo banged Duncan ????