Thomas & Friends (1984)

Episode Overview

Bill and Ben are in need of assistance at the China Clay Pits, prompting the Fat Controller to dispatch a diesel named Derek to lend a hand. However, Derek quickly encounters mechanical issues, referred to as "teething troubles," which result in complications for everyone involved. As Derek struggles to perform his duties, chaos ensues, leaving Bill and Ben to navigate the challenges that arise from their new helper's ongoing malfunctions.