A scene late in the film where MartyвЂ™s parents give him a brand-new truck and offer a knowing smile could be read as a thank you for his efforts. Crucially, George heard вЂњCalvinвЂќ using the names of Darth Vader and the Vulcan race from Star Trek years before they materialized, a fact any science-fiction author like George would have picked up on. вЂњI mean they had 30 years to figure it out!вЂќ the user said. One theory explained by Redditor djbred18 offers that George and Lorraine did recognize him. Perhaps the biggest mystery of Back to the Future is why George and Lorraine McFly fail to notice that their grown son Marty bears a striking resemblance to the man they knew as вЂњCalvin KleinвЂќ who dropped into their lives in 1955 to make sure their romance was intact. Marty McFlyвЂ™s parents knew he was a time traveler.

Take a look at some of the most popular theories, then check out Back to the Future and its sequels on Netflix to see if they carry any weight. Thanks to Doc's DeLorean time machine, Marty winds up in 1955 to save DocвЂ™s life and to make sure his parents (Crispin Glover and Lea Thompson) fall in love, thereby ensuring his existence.ДЇans of the film have spent the past several decades wrapping their minds around the movieвЂ™s time travel paradoxes and missing pieces of the plot. Fox as Marty McFly, an amiable teen who strikes up an unlikely friendship with Emmett 'Doc' Brown (Christopher Lloyd). July marks the 35th anniversary of Back to the Future, the enduring sci-fi and comedy classic starring Michael J.

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