Max believes that a legendary lost treasure can be found for a reward, so he decides to find the treasure during a fishing trip with Pete and PJ. However, when he finds the treasure, he has to fight off the weather and a fake, but robotic shark with a mean, little guppy fish on controls in order to make it back to shore with their lives.
- Jim Cummings as Pete, Radio Announcer
- Bill Farmer as Goofy
- Dana Hill as Max
- Rob Paulsen as P.J., Biff Fuddled
- Frank Welker as Waffles, Fish Finder 5000