Mystery follows Christina, Grant, Crystal, and Mick on their vacation to Disney World, where they need a little luck and loads of creativity to solve their latest case.
Christina, Grant, Raven, and Hunter arrive in north Alaska for the Iditarod Trail dogsled race just in time to pursue a runaway team with a renegade musher.
Mimi, Papa, Christina, and Grant fly to San Francisco on a pleasure trip; but their relaxing vacation turns into a mystery that takes them through Chinatown and Alcatraz Prison.
Young Christina and Grant go on a Grand Canyon trip with their mystery-writer grandparents and set out to solve a spooky mystery with Danielle and Marisa, the daughters of a local park ranger.
Christina, Grant, Alexis, and Griffin try to locate the Wright Brother's historic plane, which has been stolen on the eve of the 110th anniversary of the brothers' first flight.
Christina and Grant are headed up the Mississippi River from New Orleans to meet Sam and Jake in St. Louis who are heading down river from Minnesota, but find themselves embroiled in a mystery that takes them over locks and dams and past Tom Sawyer's cave.
Grant and Christina investigate the disappearance of a racehorse and two jockeys when they tag along with Mimi and Papa to the Kentucky Derby in Louisville, Kentucky.
Michele, Michael, Jo Dee, and Brian set off on an adventure in North Carolina's pirate haunt port town of Bath, where they try to recover a special prop and save an outdoor drama while learning about the Golden Age of piracy.
