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...
Keywords: amused , anthropomorphism , coal , comforting , island , joyful , locomotive , narration , nostalgic , relaxed , steam-locomotive , train , latest-web-series-online , tv-shows-online , railroad