Corrected entry: When Marty travels back to 1955 the DeLorean first strikes a scarecrow, then drives at high speed into a barn and finally crashes through the barn door to escape. Later, when it returns to 1985, it crashes into a movie theatre front before it can stop. After all this mayhem the DeLorean doesn't have as much as a scratch on its nose.
Corrected entry: Mayor Red Thomas in the 1950s based on his picture, looks to be around age 50. However, in 1985, when he is a bum, he still looks about the same age, even though he should be around 80 years old now. Granted, some people age better than others, but it is doubtful that an old man living on the streets would even survive for very long, let alone age gracefully.calidude
Corrected entry: When Marty first enters Lou's cafe in 1955, Lou is visibly angry at Marty just because he won't order something right away. However, he doesn't seem to care that one of his paying customers, George McFly, is being harassed by Biff and his gang and told never to come in there again. You would think Lou would tell Biff and Co. to knock it off or else be asked to leave.calidude
Corrected entry: After Marty returns to 1985, he discovers that he now has the new Toyota truck he wanted, while the rest of his family is forced to share one car. Why would Marty, the youngest of the siblings, who is still in high school, have his own brand new truck while his older siblings and both parents have to share one other vehicle?calidude
Corrected entry: When Marty is hit by Lorraine's dad, it is right in front of the Baines house. If he was right in front of his house, then why was he driving so fast? He should have been slowing down to pull into the driveway or park, but he appears to still be going at a pretty good speed.calidude
Corrected entry: After Marty reunites his parents, he and his siblings all reappear in the photo and all is well. However, in order for Marty and his brother and sister to exist again, it would mean that Marty's parents would have to have sex at the exact same moment all three times to conceive them. Even if they were a few seconds off, it wouldn't be the exact same three kids. Similar maybe, but not exact. Now that George is more successful, he will be doing many things differently in his life so the chances of him and Lorraine having sex at the exact same millisecond all three times to have those exact three kids is beyond astronomical.calidude
Corrected entry: When Marty is trying to prove to Doc that he is from the future, he shows him his driver's license and the photo of himself and his siblings. Doc immediately dismisses them both. Doesn't Doc notice that the quality of the color in the photos is much better than any color film that existed in the 1950's? Wouldn't that grab his attention?calidude
Corrected entry: When Doc is having the DeLorean do the burn out to get the car up to speed, the car is spinning its wheels up to 65 mph and Doc releases the brake. Now the car takes off, but the car would lose most of the speed the tires had built up as it is starting from essentially a dead stop even though the speedometer still shows 65 mph. Think of it this way, the back tires may be moving at 65 mph but the front tires are not. There is no physically possible way for a car to jump from 0 to 65 mph instantaneously using only its tires no matter how fast they were rotating. Even an F/A-18 needs a catapult to get that kind of speed so quickly. (00:21:35)StopNGo & Girls
Corrected entry: If everything that happens in the past, determines what happens in the future,and there in between, then wouldn't it make more sense for the picture of the family, when it starts to come back, to have them dressed differently? Such is the case when they are in the new family scene, when they come back.
Corrected entry: When Doc is on the clock tower attempting to reconnect the cable, he pulls it and disconnects the other end (indicating the cable has just enough slack to touch the ground from point A and then be inches short of point B). Doc then connects the cable and then ties the cable around the clock hands. The other end of the cable is only held by a fallen branch, if he were to really propel down the cable, he would have gone completely vertical down. When he lands, the cable would have been shorter due to him tying it to the clock hands. Also a shock of 1.21 gigawatts would have landed him in the hospital if not the funeral home.
Corrected entry: When Marty shows Doc the flyer from 1985 about saving the clock tower, this gives them the time that the clock will be struck by lightning, 10:04pm on that coming Saturday (11/12/55). However, the main problem here is that the time is only given in hours and minutes, and since lightning moves at the speed of light, an entire lightning strike lasts only fractions of a second. Doc and Marty have no clue as to what second the lightning will strike during that minute, and it isn't given a thought. In reality this would cause a tremendous dilemma if the Delorean had to pass at a precise second. And since the clock on the tower lacked a second hand, they would need a sychronized watch to determine the second the strike occurs, even if they knew it. In the movie it is assumed the strike occurs at 10:04:00, which is fine, but for more realism they could've added a second hand to the clock to eliminate this plot hole. It would have been stuck in place as the other hands after the lightning strike.polaris
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