With hundreds of cases solved and adventures shared, Scooby and the gang face their biggest, most challenging mystery ever. Discovering that Scooby has a secret legacy and epic destiny, Shaggy remembers how he met the puppy and how Mystery, Inc. was formed.

A polar bear of many words, Norm's greatest gripe is simple: there is no room for tourists in the Arctic. But when a maniacal developer threatens to build luxury condos in his own backyard, Norm does what all normal polar bears would do: he heads to New York City to stop it. With a cast of ragtag lemmings at his side, Norm takes on the Big Apple, big business, and a big identity crisis to save the day.

With hundreds of cases solved and adventures shared, Scooby and the gang face their biggest, most challenging mystery ever. Discovering that Scooby has a secret legacy and epic destiny, Shaggy remembers how he met the puppy and how Mystery, Inc. was formed.