The future is now. Join Doc Brown and Marty McFly as they journey through time for one last epic adventure. Michael J Fox and Christopher Lloyd return in this brand new trailer for Back to the Future Part 4. Yes this is a FAN TRAILER. It means it's FAKE. I had a lot of fun creating this one as there is so much fantastic footage available and I've always been such a huge fan of the series. I would love a Back to the Future sequel, possibly a reboot with cameos from the original films. Footage used in in this trailer includes. Garbarino Commercials feat. Doc Brown (2011). Signs. Lego Dimensions Commercial. My Mothers Future Husband. The Heat. Scary Movie 5. The Michael J Fox Show. GE Back To the Future Commercial. Jurassic Park. King Kong. Pirates of the Caribbean. Nike Commercial. Brazil Mitsubishi Lancer Car Commercial. Scream Awards 2010. IGN April Fools Day Prank. Voiceover provided by ChuckFresh on Fiverr.