Sum of Histories

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.

Adventurer/surgeon/rock musician Buckaroo Banzai and his band of men, the Hong Kong Cavaliers, take on evil alien invaders from the 8th dimension.

When her scientist ex-boyfriend discovers a portal to travel through time -- and brings back a 19th-century nobleman named Leopold to prove it -- a skeptical Kate reluctantly takes responsibility for showing Leopold the 21st century. The more time Kate spends with Leopold, the harder she falls for him. But if he doesn't return to his own time, his absence will forever alter history.

A sheriff's deputy fights an alternate universe version of himself who grows stronger with each alternate self he kills.

Arthur is invited to a New Year's Eve party to celebrate the year 2000. His girlfriend Lucie would like a baby from him but he refuses. Through the ceiling of the toilets, he discovers a passage leading to this futurist Paris. There, he meets an old man Ako who affirms he is his son and that he wants to exist. Otherwise he will vanish into the air. Arthur is still hesitant because his life is an unfulfilled one: a has a little lucrative job, is uncertain about his future and things are getting out of hand when Ako discovers the passage and interferes in the party.

A married workaholic, Michael Newman doesn't have time for his wife and children, not if he's to impress his ungrateful boss and earn a well-deserved promotion. So when he meets Morty, a loopy sales clerk, he gets the answer to his prayers: a magical remote that allows him to bypass life's little distractions with increasingly hysterical results.

Time-traveling bounty hunters find a doomed race-car driver in the past and bring him to 2009 New York, where his mind will be replaced with that of a terminally ill billionaire.