WATCH: 'Great Scott!' Marty McFly and Doc Brown arrived on cue last night

We know, we know, you’re probably up to your eyes in ‘Back to the Future’ by now, but this is worth the watch.

If you had to tell Marty McFly and Doc Brown one thing about the future, what would it be?

Introduce them to the world of emojis, selfies and Grindr?