Chuggington (2008)

Season 3: Episode 8

Action Chugger's staring in a new movie, he's going undercover as a ordinary chugger. He needs to practice for the role so disguises himself so the other chuggers can't recognise him. The disguise isn't working very well as everyone knows who he is. Action Chugger tries to help the ordinary chuggers as they don't have super hero powers but he ends up making a mess and annoying them.