Phineas and Jeffrey help the Wright Brothers invent the airplane and Corporal Eddie Rickenbacker defeat the Red Baron.

Phineas duels Spartacus in a gladiator match in Italy in 73 B.C. then escapes to 19th century Hannibal, Missouri, where Harriet Tubman is fleeing for her life.

Jeff and Bogg arrive in the Cuban revolution, to find history changed because Teddy Roosevelt never led the charge up San Juan history. He was killed by Billy the Kid in 1889. The Voyagers head back t…

Bogg and Jeff land in colonial Massachusetts. Their arrival is witnessed by a local who has them arrested as witches. Benjamin Franklin's mother is also under accusation, and if she dies, history chan…

The Voyagers are separated: Bogg is with Lawrence of Arabia, while Jeff is stranded in the 1800's with Thomas Alva Edison. When Jeffrey awakes after a rough landing, he learns that Edison has dismantl…

The Voyagers inadvertently bring Cleopatra forward in time to prohibition-era New York City, where she encounters gangster Lucky Luciano. In the main plot, Phineas has to convince young baseball play…

On their way to rescue President Lincoln, who has been kidnapped by Confederate soldiers, the Voyagers are briefly diverted to 1832 London where they encounter young author Charles Dickens.

Jeffrey and Bogg talk the pirate, Jean Lafitte, into leaving the beautiful Bahamas for New Orleans where General Jackson is going to need his help against the Red Coats.

Jeff and Bogg arrive in 1930's New York and meet a retired adventurer/voyager, Isaac Wolfstein. They drop him off on an island to live out the rest of his life, save Albert Einstein, then pop back to …

The Voyagers encourage Lindburgh on the eve of his trans-atlantic flight, then help Robin Hood sneak into an archery competition to rescue Maid Marian.

The Voyagers must go back in time to before the American Revolution to make sure that George Washington joins the American rebels rather than the British. Then in 1892 they help early union leader Sa…

First, the Voyagers help Albert Schweitzer in his efforts to bring medical aid to a dying African tribal chief. Then they arrive in 1887 to help Annie Oakley, who is with Buffalo Bill's circus that is…

Jeff and Bogg are intercepted en route and land in a dark limbo. The Omni is dead, and they soon find out that they have been brought to a Voyager courtroom, where Bogg is put on trial for breaking th…

Arriving at Pearl Harbor on 6 December 1941, the Voyagers try to warn General MacArthur about the upcoming Japanese attack. Then then end up in 1860's Utah to help a young Buffalo Bill Cody with the …

Phineas and Jeffrey assist a fellow Voyager who is trying to recover the stolen Mona Lisa from a thief aboard the doomed ocean liner Titanic. Then in 1884 France, Jeffrey is bitten by a rabid dog and …

In order for the future American Space Program to succeed, the Voyagers must go back to Austria just after the end of World War II and prevent rocket scientist Werner Von Braun from being captured by …

Phineas and Jeffrey journey back to 1924 Hollywood to convince Franklin D. Roosevelt to give up on a career as a film director and go into politics instead.

The Omni lands Bogg and Jeff in New Jersey, 1938, where they find Joe Louis ready to quit boxing while preparing for his rematch with Max Schmeling. Bogg becomes his sparring partner to convince him o…

The Voyagers appear in 1890 in Texas, and find that Dwight Eisenhower's mother is unable to give birth to him because of the absence of a doctor. They are unable to call for help because the telephone…

Bogg and Jeff land in 1880 London and save famous world-traveller Nellie Bly from Jack the Ripper. The three of them meet with Sir Arthur Conan Doyle, who is suffering from writers' block. Besides mak…