SS-06 "The River Shark" (13 episodes)
Sam and the gang began a new adventure today. They are all on their way to Chicago by train when they hear about the River Shark.
The River Shark is an old river boat. Legend says that it was the fastest stern wheel paddle boat on water. But the entire ship disappeared many years ago without a trace, and it contained valuable and historical documents. No one knows if the ship sank, blew up, or was stolen. Collectors would pay a handsome price to obtain those documents. The US Government calls on Sam to to find it. However there are pirates looking for the old vessel. The old treasure is right under their noses but can Sam find figure out the mystery before the pirates do and save the priceless historical treasure from being lost? Tune in for some "cat and mouse" adventure!