Today marks a special day in film buff land as a beloved time travelling adventurer arrives back in the future…

October 21 2015 is the date that Marty McFly, protagonist in the Back To the Future trilogy, travels forward from 1985 to todays date in a time-machine made out of a Delorean.

Thirty years ago the Back to the Future movie franchise was unleashed on the world, at once capturing the imagination of a generation and holding it ever since.

The films have a great blend of nostalgia and comedy, which has been celebrated by fans on the approach to what fans are calling Back to the Future day.

Even Police Scotland got in on the top trending hashtag: #BTTF2015