After Verne's image suddenly appears in an old Civil War photograph Marty, Doc, and Jules travel back in time to the Civil War to rescue him. But they quickly find themselves right in the middle of the war. As the Yanks and Rebels square off for a big battle.

Doc Brown causes yet another household black-out, but rather than stay in the dark, he packs the family into the DeLorean for a vacation-medival England circa 1371. Before they can say "feudal war lord," Doc and Clara are abducted and thrown in a dungeon. Doc must win a joust with Lord Biffingham, or lose his wife and his life.

Doc takes Jules and Verne to prehistoric times to test out a new invention, a disintegrator, and returns home, only to find out the meteor they tested it on was the one that wiped out the dinosaurs.

The Browns must rescue Marty after he is put on trial for witchcraft in 1692 Salem.

Marty joins Doc on a trip to ancient Rome. Jules and Verne overhear their father speak of arcades, thinking he was referring to present-day arcade games. They run into one of Biff's ancestors, and they need to let him win to maintain the timeline.

Verne is teased by his brother about not being family, and goes back in time thinking Benjamin Franklin is his father. In doing so, Verne interrupts Franklin's discovery of electricity.

Time Waits for No Frog Searching for an extinct frog, Doc and Marty head to the ancient Amazon river for a toad-ally cool adventure with Inca warriors, contrary conquistadors and a Lost City of Gold. Einstein's Adventure A pair of bungling bank robbers swipe the De Lorean-with Einstein in the back seat. But when the crooks get up to no good Down Under in 1790's Australia, Einstein lends a paw to set them straight.

Back in the early days of baseball, Marty teams up with cousin Pee Wee McFly to take a comical swing at changing sports history with Doc Brown's latest invention: an automated, homer-hitting baseball suit.

As a special anniversary gift from Jules, Doc and Clara get tickets to ride the first Passenger Solar Sailship to Mars-one hundred years in the future. When Verne and Jules find out that someone plans to sink the solar ship, they zoom into the next century to try to head off the saboteur and alter future history before it's too late.

Trying to beat the summer heat, Dr. Brown takes all out to London on Christmas Eve 1845, where they encounter citizens who may have inspired Charles Dickens characters in A Christmas Carol, Oliver Twist, David Copperfield, and others.

Jules, Verne, and Marty go back in time to Doc's childhood, to help him overcome his fear of fishing, but in a strange series of events, young Emmett becomes a celebrity daredevil.

A crossed wire here, a dash of soda pop there, and Jules and Verne make an April fool out of Doc Brown. Believing his mental power to be exhausted, Doc retires from thinking and leaves home to spare everyone his brainless presence. Then surprise foul weather threatens to destroy Hill Valley, but with Doc Brown retired, who will save the town from disaster?

Verne, Jules and Marty head back to 1850 Wyoming to meet Jules and Verne's maternal grandmother on the Oregon Trail.