it could be from eternal sunshine. at the beginning joel and clementine are in a train and she wants to get tto know him. then she says "hi" and joel answers "oh, hello" ... "didn't i know you" is also from this scene. though it is also possible that it is from the scenes after the memory wipe.
it could be from eternal sunshine. at the beginning joel and clementine are in a train and she wants to get tto know him. then she says "hi" and joel answers "oh, hello" ... "didn't i know you" is also from this scene. though it is also possible that it is from the scenes after the memory wipe.