Marty McFly and Doc Brown stand next to the clock tower that becomes the central point of the entire Back to the Future franchise... in the first movie... 70 years later.
[Marty places headphones over his father's ears and wakes him up by playing Van Halen music at full blast. George wakes up screaming - Marty pauses the music. George looks up to see Marty, who is unrecognizable because he is wearing a radiation suit] George McFly: Who are you? Marty McFly: [after giving him another earful of loud rock music] Silence Earthling! My name is Darth Vader. I am an extraterrestrial from the planet Vulcan! [makes Live Long and Prosper sign with his hand]