Jan 01, 2010
Season 1 Episode 23
Cool Wilson: Everyone loves Frostini, the cool Italian ice cream chugger. Wilson wants to be just like him, so he's especially excited to learn that Frostini needs a helper for the school holidays. Koko Pulls It Off: The trainees are taking their passenger test. Brewster and Wilson are a little nervous, but Koko is confident - after all, she's a passenger train!