Back To The Future 4

great film. loved how teenage Marty travels back in time in a deloreon. to meet his own parents when they were teenagers. since he ended up  there he has upset the possible future. and must get his parents to kiss before he disappears. and get back to the future. I love how he did change things for the better when he went back to see how his parents changed after meeting Marty and not knowing he was their future son. real imaginative and very well done by Michael J. Fox and Christopher Lloyd as the oddball scientist.