Eighties teenager Marty McFly is accidentally sent back in time to 1955, inadvertently disrupting his parents' first meeting and attracting his mother's romantic interest. Marty must repair the damage to history by rekindling his parents' romance and - with the help of his eccentric inventor friend Doc Brown - return to 1985.

Marty and Doc are at it again as the time-traveling duo head to 2015 to nip some McFly family woes in the bud. But things go awry thanks to bully Biff Tannen and a pesky sports almanac. In a last-ditch attempt to set things straight, Marty finds himself bound for 1955 and face to face with his teenage parents -- again.

The final installment finds Marty digging the trusty DeLorean out of a mineshaft and looking for Doc in the Wild West of 1885. But when their time machine breaks down, the travelers are stranded in a land of spurs. More problems arise when Doc falls for pretty schoolteacher Clara Clayton, and Marty tangles with Buford Tannen.

High school student David Lightman has a talent for hacking. But while trying to hack into a computer system to play unreleased video games, he unwittingly taps into the Department of Defense's war computer and initiates a confrontation of global proportions. Together with his friend and a wizardly computer genius, David must race against time to outwit his opponent and prevent a nuclear Armageddon.

For Lieutenant Pete 'Maverick' Mitchell and his friend and co-pilot Nick 'Goose' Bradshaw, being accepted into an elite training school for fighter pilots is a dream come true. But a tragedy, as well as personal demons, will threaten Pete's dreams of becoming an ace pilot.

Jessie is an aging career criminal who has been in more jails, fights, schemes, and lineups than just about anyone else. His son Vito, while currently on the straight and narrow, has had a fairly shady past and is indeed no stranger to illegal activity. They both have great hope for Adam, Vito's son and Jessie's grandson, who is bright, good-looking, and without a criminal past.

Red is an aging scam-artist who's just been released from prison together with Ronnie, a young and not-so-bright hoodlum who is easily manipulated. Their new business is to organize fake-money sales and then kill the buyer to take his money; but when Ronnie kills an undercover secret service agent, his partner Jimmy Mercer vows revenge and is given one week to catch the killers before being transferred.

Eddie and Lou are a couple of two-bit con men on the lam from a loan shark. They hide out in someone's house and they hear on the answering machine that (A) the owner of the house is out of the country for a month or two and (B) the housesitter supposed to watch the house for the absent owner won't be able to watch the house due to a new job in another part of the country. This provides for a pretty nifty arrangement for Eddie and Lou...until the relatives of the house owner drop by to visit. Eddie quickly adopts the guise of the person supposedly housesitting for the owner, and the shenanigans start from there.

When the evil Skeletor finds a mysterious power called the Cosmic Key, he becomes nearly invincible, seizing Castle Grayskull and the surrounding city. The Sorceress is now Skeletor's prisoner and he begins to drain her life-force as he waits for the moon of Eternia to align with the Great Eye of the Universe which will bestow god-like power upon him. However, courageous warrior He-Man locates the locksmith inventor Gwildor, who created the Key and has another version of it. During a battle, one of the Keys is transported to Earth, where it is found by teenagers Julie and Kevin. Now, both He-Man and Skeletor's forces arrive on Earth searching for the potent weapon.

A team of Arctic researchers find a 40,000 year-old man frozen in ice and bring him back to life. Anthropologist Dr. Stanley Shephard wants to befriend the Iceman and learn about the man's past while Dr. Diane Brady and her surgical team want to discover the secret that will allow man to live in a frozen state.