Episode Title:The Trouble with Mud.Episode Description:Gordon is too muddy to pull the express, and ends up pulling trucks instead. James is very boastful about getting the job, but he pays no attention to Gordon's warning about the slippery leaves scattered everywhere making the hill hard to climb, and he ends up getting stuck. Gordon comes to the rescue, and as a reward is permitted to pull coaches again, on the condition that he knows being clean is a necessity to every engine.