Danger Pits

Danger Pits! Is the sixth season 1 episode.

Plot
Bill and Ben are twin engines who work at the China Clay Pits with Marion and Timothy. Frost had come making the tracks rather slippery. Bill and Ben were shunting cars. But they were being careless. Ben shunted some cars witch hit Bill knocking him into a clay pit. When Ben tried to pull Bill back onto the rails, he fell into the pit, knocking into Marion's bucket, derailing Marion. Timothy is not strong enough to pull all three back onto the line, so he went to get help. Bill and Ben think that he's leaving them derailed. But no sooner does the arguing stop when Timothy apears with Harvey. Soon all three are back on the rails. Bill and Ben thank Timothy and swear they will never be naughty again. But that doesn't last long because Ben pushes Bill under the gravel hopper as soon as it starts.

Toys
Timothy and the Pits; includes Timothy, Clay pit with Bill and Ben in it, Derailed Marion.