Roger, Anita and their canine clan are packing for the big move to Dalmatian Plantation, a home in the country with plenty of room for the 101 pups and far from the clutches of Cruella DeVil. The feistiest pup, Patch, feels lost in a sea of spots and longs to be a one-of-a-kind wonderdog like his TV hero, Thunderbolt. While watching the Thunderbolt Adventure Hour, Patch hears about a chance to appear on the show while it's filming in London. However, the family move will interfere with Patch's opportunity - until he's accidentally left behind in the commotion. Patch heads for the audition to meet his hero...