While vacationing on a sailboat, the kids aid Naval Intelligence to halt the mysterious disappearances of airplanes.
Did You Know?
When Fred and the girls are trapped in the dry dock, which is being flooded with them inside, Daphne says "Jeepers! We're doomed!" just before Shaggy and Scooby rescue them. When she says "doomed", her mouth is closed as she says it and then opens after she's finished saying "doomed." See more