Thomas & Friends (1984)

S19E1 Who's Geoffrey?

Thomas finds himself in a predicament and concocts a fictional engine named Geoffrey to shift the blame. However, when the other engines and residents of the island express curiosity about this imaginary friend, Sir Topham Hatt becomes intrigued and insists on meeting this supposed Geoffrey. Thomas must think quickly as the situation spirals, leading to unexpected challenges and lessons about honesty.