Stone Age Safari

In this episode Samson catches a very rare fish. The African witch doctor and his tribe believe the fish is an evil spirit. When one of the village boys takes sick, they are convinced that there's only one way to remove the curse. They come for Samson and tell him he must drink a poison - rather he lives or dies!

It's a race against time for Jim. He has to get to the city and back before things get too heated. There's also a few scenes where Jim and the scientists are trapped in a cave and he thinks up the perfect way to get them out...

John Henry only has one short scene in this. I'm not sure what the reason is, or even if there is a reason...