Three Crazy Jerks II (1988)

What was a cunning plan from Lord Edmund Blackadder V to fake a time machine on his gullibly incompetent friends, turns out to be the real thing and hurls him and his imbecile underling, Baldrick, through the course of human history.

Elroy Jetson invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.

Stillman, a heartbroken physics student, builds a time machine when his girlfriend breaks up with him. Going back in time, he attempts to save their relationship by fixing every mistake he made—while dragging his best friend along in the process.

After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.

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.

Op and Ed, two adorable donut-shaped animals - flummels - accidentally time-travel from 1835 to modern-day Shanghai. There they discover traffic, trans fats, and worst of all, that flummels are now extinct. It's up to this bumbling pair to save themselves and their species...and, just maybe, change the course of history.

Otto Waalkes plays a magician who strayed into the present from the 11th century and who absolutely wants to return to his time.

After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.

Laura and Harrison have the picture-perfect romance built on the foundation of a shared love of music. After a deadly accident, Laura gets the chance to save the love of her life when she discovers that their mixtape can transport her back in time.

When an all-powerful Superintelligence chooses to study the most average person on Earth, Carol Peters, the fate of the world hangs in the balance. As the A.I. decides to enslave, save or destroy humanity, it’s up to Carol to prove that people are worth saving.