Fred, Sam, and Joe get a chance to sail with Leif Eriksson when they accidentally transport themselves to Canada, circa 1000 A.D., at the time of the Vikings' arrival in North America.
Blackbeard, the meanest pirate ever, has our accidental time travelers cornered. Should Fred, Sam, and Joe the Time Warp Trio join his pirate crew, or become shark munchies?.
Joe Stoshack, a boy who has the ability to travel through time, learns a lesson about dignified behavior in the face of ethnic and racial strife when he goes back to 1947 to meet African-American baseball legend Jackie Robinson.
While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster.
Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.
Their magic tree house takes Jack and Annie back to retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.
The magic tree house takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.