Synopsis
Bill and Ben need some help at the China Clay Pits, so the Fat Controller sends a diesel, Derek, to help them out. But Derek suffers from mechanical failures, "teething troubles", and as expected, this leads to difficulties...
Bill and Ben need some help at the China Clay Pits, so the Fat Controller sends a diesel, Derek, to help them out. But Derek suffers from mechanical failures, "teething troubles", and as expected, this leads to difficulties...