Calaboose Cabose The Peter Potamus Show : Season 1 Episode 19

The time-space machine takes Peter and So-So to the old West. Peter lands in a train and is sworn in as a marshal before the real marshal jumps off the train. Peter battles Jessie Jimmy, who is trying to rob the train. Jessie is finally defeated with Peter's hippo hurricane holler, which blows Jessie right to the State Prison.