

Sam's Grandpa Dima tells some pretty outrageous stories to Sam, Fred, and Samantha about his ancestor, Alexander Kikin — but, are they true? Fred and Samantha convince Sam to travel back to Russia in 1698 just in time to save Kikin (a member of the Russian guardsmen, the Streltsy), from the wrath of Peter the Great.
Joe's uncle gives him a mysterious book for his birthday, but when his friend Fred wishes for buried treasure while looking through the book, Joe, Sam and Fred suddenly find themselves transported back through time to the year 1718 on a pirate ship captained by the infamous Blackbeard.
The boys are accidentally transported to the year 2105 when the boys are on a class trip to the Natural History Museum to learn about the inventions of the past. While there, they meet their great-granddaughters and get attacked by robots with ray guns.