8 episodes
2. The Mystery of Witches' Hollow
2. The Mystery of Witches' Hollow
Frank and Joe investigate a place where people vanish without a trace.
49min
Feb 12, 1977
2. The Mystery of the Diamond Triangle
2. The Mystery of the Diamond Triangle
Nancy and her friend witness an automobile accident.
49min
Feb 19, 1977
3. The Secret of the Whispering Walls
3. The Secret of the Whispering Walls
Nancy and George are forced off the road by a person driving a tractor.
49min
Mar 12, 1977
3. The Disappearing Floor
3. The Disappearing Floor
Frank and Joe search for answers when Fenton is taken off the Project K case.
50min
Mar 5, 1977
4. A Haunting We Will Go
4. A Haunting We Will Go
Nancy and her friends produce a show to raise money for a youth center.
49min
Apr 2, 1977
5. The Mystery of the Fallen Angels
5. The Mystery of the Fallen Angels
Nancy joins a carnival to prove a young man did not steal $1 million in jewels.
49min
Apr 16, 1977
7. The Mystery of the Solid Gold Kicker
7. The Mystery of the Solid Gold Kicker
Evidence suggests Chip Garvey, a college football star, is a murderer.
47min
May 21, 1977
7. The Secret of the Jade Kwan Yin
7. The Secret of the Jade Kwan Yin
Frank and Joe find an unopened wooden box while snorkeling.
50min
May 14, 1977
