The Super Sub
- Episode aired Nov 24, 1973
- 23m
![Butch Cassidy (1973)](https://m.media-amazon.com/images/M/MV5BNWI2NjZiYTctZWFjMi00M2RjLTg0NTgtNGQzYmRhMGUxMDUxXkEyXkFqcGdeQXVyNjExODE1MDc@._V1_QL75_UY281_CR4,0,190,281_.jpg)
The world's largest moving underwater laboratory has been stolen, and the kids travel to the island of Tortuga to track it down.The world's largest moving underwater laboratory has been stolen, and the kids travel to the island of Tortuga to track it down.The world's largest moving underwater laboratory has been stolen, and the kids travel to the island of Tortuga to track it down.