While on a relaxing gig in Hawaii, the gang is pursued by a criminal known as the Hawk. Confidential information is transferred from a tape recorder to Melody's memory, and the gang has to take care of her while keeping the confidential information safe.
- This episode's plot borrows elements from an earlier episode, "X Marks the Spot".
- Sherry Alberoni as Alexandra Cabot
- Barbara Pariot as Valerie Brown
- Jerry Dexter as Alan Mayberry
- Jackie Joseph as Melody Valentine
- Casey Kasem as Alexander Cabot III, The Hawk, Hawk's Man 1
- Don Messick as Sebastian
- Janet Waldo as Josie McCoy
- John Stephenson as Professor Leighton, Hawk's Man 2
- Daws Butler as "Islander" Bill Kiddie
- Jean Vander Pyl as Ladies' Gym Instructor