In the future we will watch multiple TV channels simultaneously

Robert Zemeckis : director
In Back to The Future II, when Marty McFly Jr. comes home and turns on six channels on his flat-screen TV, he is amazed. At the time this was a far-fetched view of how we might watch TV in the future.

Back to the Future Part II, 1989. Film. Directed by Robert Zemeckis. USA: Universal Pictures