Captain Z-Ro goes back to 1492 in order to put down an attempted mutiny happening on board Christopher Columbus' ship the Santa Maria.

Jet while viewing Daniel Boone's life realizes the man may be in trouble with local Indians. Jet heads back in time to try and make sure history remains as we remember it

Captain Z-Ro has to make some quick decisions when it appears what history remembers of Marco Polo's adventures is about to drastically change for the worse

As Captain Z-Ro watches Benedict Arnold plot to change sides from the US to the British, he becomes concerned when one of Arnold's spies avoids capture. Z-ro sees the ramification to the revolutionary war and decides he needs to intervene to make sure history remains as we record it.

Captain Z-Ro realizes that King John rather than sign the Magna Carta is planning an ambush against the leaders of the rebellion. Jet is sent back to warn the men, but events get away from him

Captain Z-Ro encounters Magellan's fleet and quickly realizes the voyage is in danger of mutiny. The Captain travels back to Magellan's fleet in hope he can save the situation.

During an experiment Captain Z-Ro accidentally takes a critical mail box from a Pony Express station. As he tries to return the box he discovers a life and death drama unfolding.

Captain Z-Ro investigates with Jet the truth behind the legend of William Tell. As things go off track, and it appears William Tell may die, Captain Z-Ro decides he needs to take direct action.

Captain Z-RO and Jet decide to build their own robot to study how robots work, only they can't control their robot once it's finished.

Jet goes in search of Black Beard's treasure on Mulberry Island. Due to a malfunction, Jet overshoots his intended target and rather than treasure has a first hand encounter with Black Beard himself.

Captain Z-ro sends his time machine back to 450 to try and understand how Atila, with everything in his favor still failed to win a decisive victory at Battle of Catalaunian.

Jet goes back in time to discover if Robin Hood is real. He comes under the attention of the Sheriff of Nottingham. Captain Z-Ro needs to mount a desperate rescue attempt to save Jet and the legend of Robin Hood

Captain Z-Ro sees that an important message needed by General Washington is intercepted by the British. The Captain mounts a rescue mission to retrieve the message and get it to Washington.

Cortez's expedition to Mexico is in danger of collapse due to mutiny among his own men. The Captain goes back in time to try correct the situation.

Captain Z-ro returns to the time of the Revolutionary war after Molly Pitcher is wounded and appears wont be able to complete the task that made her famous.

The Captain witnesses the first gold strike in California suddenly deviate from how history recorded it. He goes back in a desperate attempt to put things right.

The Captain has a new spacecraft he wishes to test. While on the mission, things begin to go wrong very quickly, and the situation turns to a life and death struggle.

Captain Z-ro finds and old Spanish ship the Concepción, which sunk in 1641. The Captain is not interested in the gold and treasure on board but the huge amount of Axtec writings that have been lost to the world.

The Captain goes back in history to learn about a famous moment in the life of Ghengis Khan. It was rumored he abandoned his conquest of North China because of a bad omen.

The Captain assembles a team to go back in time to the Great pyramid of Giza. He wants to try and enter the pyramid after the burial but before grave robbers have looted the place in the.

The Captain discovers while researching the history of flight that Leonardo Da Vinci is having a crisis of confidence over his invention. The Captain knows he has to find a way to encourage the man and to be the influence history records.

The Captain goes back to witness a strange event in William the Conquerers life. An event so obscure hardly anything is known about it, an event that could have changed the whole future history of the world.

Captain Z-RO and Jet encounter a saucer shaped missile in space.

Jet discovers he is related to King Alfred the Great of England. As such he should live the life of luxury expected of royalty. The Captain decides to show just how privileged Alfred really was