Sam, Sebbie and Di-Di-Di & Xandy: A Royal Adventure

Sam, Sebbie and Di-Di-Di are in London for the school holidays! They really want to see the Duke and Duchess of Cambridge and the adorable Prince George and Princess Charlotte. But they're in for a surprise when a royal teddy takes them on an unexpected adventure through Kensington Gardens. Will they be able to find Teddy's owner, or will it all be a wild goose chase?