FETCH! with Ruff Ruffman

How to Really Train Your Dog (4x19)

Air date: Oct 14, 2009

Feeling that he is close to finding the Helmet of Victory, Uncle MacRuffmantosh charters a train that will take them to the helmet's hidden location. However, the train is full of riddles, so Ruff sends all 6 FETCHers to solve the train's riddles and unlock a mysterious briefcase.