Back to the Future (franchise)

Back to the Future is a science fiction adventure comedy film series. The franchise follows the adventures of a high school student, Marty McFly (Michael J. Fox), and an eccentric scientist, Dr. Emmett L. Brown (Christopher Lloyd), as they use a DeLorean time machine to time travel to different periods in the history of Hill Valley, California.
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The DeLorean time machine is a fictional automobile-based time travel vehicle device featured in the Back to the Future franchise. In the feature film series, Dr. Emmett L. Brown builds a time machine from a retrofitted DMC DeLorean car, to gain insights into the history and the future. Instead, he and Marty McFly end up using it to travel across 130 years of Hill Valley history to change the past for the better and to undo the negative effects of time travel. The car requires 1.21 gigawatts of power and needs to travel 88 miles per hour so it can time travel. One of the cars used in filming is on display in a museum in Paarl, South Africa. The official Back to the Future DeLorean can be viewed at the Petersen Automotive Museum.
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Hill Valley is the fictional town in California as shown with the clock that serves as the setting of the Back to the Future trilogy and its animated spin-off series. In the trilogy, Hill Valley is seen in four different time periods (1885, 1955, 1985 and 2015) as well as in a dystopian alternate 1985. The films contain many sight gags, verbal innuendos, and detailed set design elements, from which a detailed and consistent history of the area can be derived.
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The film has been inducted into the National Film Registry, having been deemed "culturally, historically or aesthetically significant" and deserving of preservation by the Library of Congress. As one of the elite films selected as enduring importance to popular American culture, Back to the Future's preservation ensures that this timeless classic will be enjoyed by future audiences throughout the rest of time!
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@impawards

BACK TO THE FUTURE (1985)...
...is a 1985 science fiction film. It stars Michael J. Fox as teenager...
#1 Marty McFly,
who accidentally travels back in time from 1985 to 1955, where he meets his future parents and becomes his mother's romantic interest. Christopher Lloyd portrays the eccentric scientist...
#2 Dr. Emmett "Doc" Brown,
his friend and the inventor of the time-traveling DeLorean automobile, who helps Marty repair history and return to 1985. 
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Back To The Future (1985) Theatrical Trailer - Michael J. Fox Movie HD
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PLOT
In 1985, Hill Valley, California, Marty McFly visits the home and lab of his friend, Emmett "Doc" Brown, an eccentric scientist. Though missing for several days, Doc calls the lab and asks Marty to pick up some equipment for a special experiment later that night.
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At school, Marty meets his girlfriend,
#3 Jennifer Parker,
and after being berated by the principal and failing his audition for the Battle of the Bands, he confides in Jennifer that he fears that he will become like his parents despite his ambitions. At home, Marty's cowardly father...
#4 George
...is bullied by his supervisor,
#5 Biff Tannen,
while his mother...
#6 Lorraine
is an overweight, depressed alcoholic. Lorraine recalls how she met George when her father hit him with his car and she subsequently nursed him back to health.
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Marty meets Doc at a parking lot by a shopping mall at 1:16 A.M. on October 26. Doc unveils a time machine built from a modified DeLorean and powered by plutonium obtained from Libyan terrorists with the promise of building a nuclear bomb. While showing Marty the controls, Doc sets the date to November 5, 1955, the day he conceived a time travel device. The terrorists arrive unexpectedly and open fire on them, finally shooting Doc when he surrenders. Marty escapes in the DeLorean and inadvertently activates the time machine in the process.
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Back to the Future (1/10) Movie CLIP - The DeLorean (1985) HD
Back to the Future (2/10) Movie CLIP - The Libyans Find Doc Brown (1985) HD
Back to the Future (3/10) Movie CLIP - Back in Time (1985) HD
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Marty finds himself transported to November 5, 1955, without any plutonium to return. He encounters the...
#7 teenage George
and discovers that...
#8 Biff
has been bullying him since high school. After Marty saves George from an oncoming car, he is knocked unconscious and awakens to find himself tended to by
#9 Lorraine,
who becomes infatuated with him.
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Back to the Future (4/10) Movie CLIP - You're George McFly! (1985) HD
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Marty tracks down Doc's younger self for help. Doc is unimpressed with Marty's knowledge of the future but finally believes him when he accurately recounts how Doc invented time travel. With no plutonium, Doc explains that the only power source capable of generating the necessary 1.21 GW of electricity for the time machine is a bolt of lightning. Marty shows Doc a flyer from the future that recounts a lightning strike at the town's courthouse due the coming Saturday night, November 12.
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Back to the Future (5/10) Movie CLIP - I'm From the Future (1985) HD
1.21 Gigawatts - Back to the Future (6/10) Movie CLIP (1985) HD
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When Doc instructs Marty to not leave his house or interact with anyone, as he could inadvertently alter the future, they realize that he has prevented his parents from meeting by saving George from the car. Doc warns Marty that he must find a way for Lorraine to fall in love with George or he will be erased from existence.
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Marty attempts to correct his parents' history and warn Doc of the future dangers, but both strategies fail: his attempts to introduce his parents backfire during a confrontation with Biff and Doc refuses to listen to any information about the future, saying no one should know too much about their own destiny.
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After Lorraine asks Marty to the school dance, Marty devises a plan with George: he will feign inappropriate advances on Lorraine, allowing George to "rescue" her. The plan goes awry when a drunken Biff gets rid of Marty, making his gang lock him in the trunk of the performing band's car and attempts to force himself on Lorraine. Marty is then rescued by the band who unlock the trunk and drive away Biff's gang, and rushes to stop him. Meanwhile, George, enraged, knocks out Biff, and Lorraine accompanies him to the dance floor, where they kiss while Marty performs with the band, securing his existence in the future.
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Back to the Future (7/10) Movie CLIP - Skateboard Chase (1985) HD
Back to the Future (8/10) Movie CLIP - You Leave Her Alone (1985) HD
Johnny B. Goode - Back to the Future (9/10) Movie CLIP (1985) HD
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As the storm arrives, Marty returns to the clock tower and the lightning strikes, sending Marty back to 1985 a few minutes before his original departure. After watching Doc get shot again, he grieves until Doc gets up and reveals that he had listened to Marty's warnings and worn a bulletproof vest. Doc takes Marty home and departs to the future. Marty awakens the next morning to find that his father is now a self-confident and successful author, his mother is fit and happy, and Biff is now an obsequious auto valet. As Marty reunites with Jennifer, Doc reappears with the DeLorean and insists that they return with him to aid their future children. The trio boards the DeLorean, which now flies, and travels into the future.
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Back to the Future (10/10) Movie CLIP - Back to the Future (1985) HD
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@impawards

BACK TO THE FUTURE PART II (1989)

...is a 1989 science-fiction film. It is the sequel to the 1985 film Back to the Future and the second installment in the Back to the Future trilogy. The film follows Marty McFly (Fox) and his friend Dr. Emmett "Doc" Brown (Lloyd) as they travel from 1985 to 2015 to prevent Marty's son from sabotaging the McFly family's future; when their arch-nemesis Biff Tannen (Wilson) steals Doc's DeLorean time machine and uses it to alter history for his benefit, the duo must return to 1955 to restore the timeline.
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Back to the Future Part 2 Official Trailer #1 - Michael J. Fox, Christopher Lloyd Movie (1989) HD
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PLOT
On October 26, 1985, Dr. Emmett Brown arrives in the DeLorean time machine and persuades Marty McFly and his girlfriend, Jennifer Parker, to travel to the future with him and help their future children, with Biff Tannen witnessing their departure.
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Back to the Future Part 2 (1/12) Movie CLIP - We Don't Need Roads (1989) HD
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They arrive on October 21, 2015, where Doc electronically incapacitates Jennifer and leaves her asleep in an alley, explaining that she should not have too much knowledge of future events. He has Marty pose as his own son and lookalike...
#10 Marty Jr.
to refuse an offer to participate in a robbery with Biff's grandson...
#11 Griff,
thus saving both of Marty's children from prison.
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Marty switches places with Marty Jr. and refuses Griff's offer, but Griff goads Marty into a fight, and a subsequent hoverboard chase ensues. Griff and his gang are arrested, saving Marty's future children.
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Back to the Future Part 2 (2/12) Movie CLIP - Hill Valley, 2015 (1989) HD
Back to the Future Part 2 (3/12) Movie CLIP - Hover Board Chase (1989) HD
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Before rejoining Doc, Marty purchases an almanac, containing the results of major sporting events from 1950 to 2000. Doc discovers it and warns Marty about attempting to profit from time travel. Before Doc can adequately dispose of it, they are interrupted by the police, who have found Jennifer incapacitated and are taking her to her 2015 home. They pursue, as does the elderly Biff, who has overheard their conversation and picks up the discarded almanac.
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Jennifer wakes up in her 2015 home and hides from...
#12 #13 #14 the McFly family.
She overhears that her future self's life with Marty is not what she expected, due to his involvement in an automobile accident. She witnesses Marty being goaded by his co-worker,
#15 Douglas Needles,
into a shady business deal, resulting in Marty's firing.
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Back to the Future Part 2 (4/12) Movie CLIP - Welcome Home, Jennifer (1989) HD
Back to the Future Part 2 (5/12) Movie CLIP - The Future McFlys (1989) HD
Back to the Future Part 2 (6/12) Movie CLIP - Future Marty Is Terminated (1989) HD
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Jennifer tries to escape the house but faints after she encounters her 2015 self. While Marty and Doc attend to her, Biff steals the time machine and uses it to travel to 1955 and give the almanac to his younger self, then returns to 2015.
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Back to the Future Part 2 (7/12) Movie CLIP - Biff's World (1989) HD
Back to the Future Part 2 (8/12) Movie CLIP - The Almanac (1989) HD
Back to the Future Part 2 (9/12) Movie CLIP - Marty Tricks Biff (1989) HD
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Marty, Doc, and an unconscious Jennifer return to 1985, unaware of Biff's actions. The 1985 they return to has changed dramatically: Biff has used the almanac to become one of the wealthiest and most corrupt men in America; changed Hill Valley into a chaotic dystopia; secretly killed Marty's father, George, in 1973; forced Marty's mother, Lorraine, to marry him; and had Doc committed to an insane asylum. Marty and Doc deduce that the 2015 Biff took the time machine to change 1985, and Marty learns from the alternate 1985 Biff that he got the almanac on November 12, 1955. Biff tries to kill Marty, but Marty flees and travels to 1955 with Doc, leaving Jennifer on her own front porch.
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Marty secretly follows the 1955 Biff, and watches him receive the almanac from his 2015 self. Marty then follows him to the high school dance, being careful to avoid interrupting the events from his previous visit. After several fruitless attempts, Marty finally gets the almanac, leaving Biff to crash into a manure truck. Marty burns the almanac, reversing Biff's changes to the timeline, as Doc hovers above in the time machine. Before Marty can join him, the DeLorean is struck by lightning and disappears.
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Back to the Future Part 2 (10/12) Movie CLIP - Marty Sneaks Past Himself (1989) HD
Back to the Future Part 2 (11/12) Movie CLIP - Marty Gives Biff CPR (1989) HD
Back to the Future Part 2 (12/12) Movie CLIP - Battle for the Book (1989) HD
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A Western Union courier immediately arrives and delivers a
#16 70-year-old letter to Marty;
it is from Doc, who explains that lightning strike transported him back to 1885. Marty races back into town to find the 1955 Doc, who had just helped the original Marty return to 1985. Shocked by Marty's sudden reappearance, Doc faints.
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@impawards

BACK TO THE FUTURE PART III
...is a 1990 science-fiction film and the final installment of the Back to the Future trilogy. The film continues immediately following Back to the Future Part II (1989); while stranded in 1955 during his time travel adventures, Marty McFly (Fox) discovers that his friend Dr. Emmett "Doc" Brown (Lloyd), trapped in 1885, was killed by Buford "Mad Dog" Tannen (Wilson), Biff's great-grandfather. Marty travels to 1885 to rescue Doc and return once again to 1985, but matters are complicated when Doc falls in love with Clara Clayton (Steenburgen).
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PLOT
On November 12, 1955, moments after witnessing Doc vanish with the DeLorean from a lightning bolt, Marty McFly (from 1985) learns that Dr. Emmett Brown (also from 1985) was transported to 1885 and is trapped. Marty and the 1955 Doc use the information in Doc's 1885 letter to find and repair the DeLorean so that Marty can return to 1985, and instructs Marty to not come back for him. Marty spots a tombstone with Doc's name, dated six days after the letter, and learns that Doc was killed by Biff Tannen's great-grandfather,
#17 Buford.
Marty photographs the tombstone and travels to 1885 to save Doc.
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Marty arrives on September 2, 1885, in the middle of a Cavalry pursuit of Indians. When the DeLorean's fuel line is torn, Marty hides the car in a cave and walks to Hill Valley.
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Back to the Future Part 3 (1/10) Movie CLIP - Indians in 1885 (1990) HD
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He meets his Irish-born great-great-grandparents,
#18 #19 Seamus and Maggie McFly,
and runs afoul of Buford and his gang. Buford attempts to lynch Marty, but Doc rescues him.
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Back to the Future Part 3 (2/10) Movie CLIP - Moonwalk for Mad Dog (1990) HD
Back to the Future Part 3 (3/10) Movie CLIP - Emmett to the Rescue (1990) HD
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Doc agrees to leave 1885 after seeing the photograph, but without gasoline, the DeLorean cannot reach 88 mph (142 km/h).
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Doc devises a plan to use a train locomotive to push the DeLorean up to the required speed. While he and Marty explore a rail spur they intend to use, they spot a runaway horse-drawn wagon. Doc saves the passenger,
#20 Clara Clayton,
and the two fall in love.
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At a town festival, Buford tries killing Doc, but Marty thwarts him. Buford insults Marty and challenges him to a showdown in two days; in his anger, Marty accepts.
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Back to the Future Part 3 (4/10) Movie CLIP - Marty the Marksman (1990) HD
Back to the Future Part 3 (5/10) Movie CLIP - Nobody Calls Me Yellow (1990) HD
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Doc warns Marty not to get provoked by name calling and lets it slip that Marty gets into a car accident in the future. Doc's name in the photograph of the tombstone is erased but the date and tombstone itself still remain.
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Marty and Doc place the DeLorean onto the spur. Doc makes Marty promise that once he returns to 1985 the DeLorean will be destroyed, but Marty convinces Doc to leave with him. Unable to convince Clara that he is from the future, Doc is spurned.
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He goes to the saloon for a binge. Doc drinks a single shot of whiskey and passes out. Buford arrives and calls out Marty, but Marty observes "Clint Eastwood" (his 1885 alias) appear on the tombstone in the photograph, so refuses to duel. Doc awakens after drinking the bartender's special "Wake-Up Juice" and tries fleeing with Marty, but Buford's gang captures Doc, forcing Marty to duel.
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Back to the Future Part 3 (6/10) Movie CLIP - Ain't You Got the Guts? (1990) HD
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After fooling Buford into thinking he has killed Marty using a bulletproof plate, Marty knocks Buford into a wagon full of manure. Buford is arrested for an earlier robbery.
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Back to the Future Part 3 (7/10) Movie CLIP - Time's Up, Runt! (1990) HD
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As Clara leaves on the train, she overhears a salesman discussing how heartbroken Doc was. Clara applies the emergency brake and returns to town. She discovers Doc's model of the time machine and rides after him. Stealing the locomotive at gunpoint, Doc and Marty begin pushing the DeLorean along the spur line. Clara boards the locomotive while Doc climbs toward the DeLorean. Doc encourages Clara to join him, but she falls, hanging precariously by her dress. Marty passes his hoverboard to Doc so he can save Clara. They coast away from the locomotive as it falls off an unfinished railroad bridge; Marty travels to 1985 on the completed bridge.
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Back to the Future Part 3 (8/10) Movie CLIP - Train Ride to the Future (1990) HD
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Marty arrives on October 27, 1985, escaping the powerless DeLorean before it is destroyed by an oncoming train.
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Back to the Future Part 3 (9/10) Movie CLIP - The Time Machine Is Destroyed (1990) HD
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He discovers that everything has returned to the initial post-time travel timeline, and finds Jennifer sleeping on her front porch. He uses the lessons he learned in 1885 to avoid being goaded into a street race with Douglas J. Needles, avoiding a possible automobile accident. Remembering that this accident would have sent Marty's life spiraling downward, Jennifer opens a fax message she kept from 2015, and watches as its text regarding Marty's firing disappears.
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As Marty and Jennifer examine the DeLorean wreckage, a flying steam locomotive equipped with a flux capacitor appears, manned by Doc, Clara, and their two children...
#21 #22 Jules and Verne.
Doc gives Marty a photo of the two of them by the clockworks in 1885. Jennifer asks about the fax, and Doc tells them it means that the future has not yet been written. Doc and his family depart aboard the locomotive to an unknown time in the past.
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Back to the Future Part 3 (10/10) Movie CLIP - Your Future Is Whatever You Make It (1990) HD
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A temporal paradox, time paradox, or time travel paradox is a paradox, an apparent contradiction, or logical contradiction associated with the idea of time and time travel.

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In comedy, a visual gag or sight gag is anything that conveys its humor visually, often without words being used at all. The gag may involve a physical impossibility or an unexpected occurrence. The humor is caused by alternative interpretations of the goings-on. Visual gags are used in magic, plays, and acting on television or movies.
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