|This article is about the Chinese DVD. You may be looking for the episode or the promotional DVD.|
Disappearing Diesels is a Chinese DVD featuring five episodes from the eighteenth season. It was released under the title, Not So Slow Coaches for Thai audiences.
Paxton likes to be friends with everyone, diesels and steamies alike, but it's not easy to be friends with Diesel. Diesel gives Paxton a terrible fright when he makes him think that all the other diesels have disappeared. He hides and races away from Paxton. But when Diesel runs out of fuel, it is Paxton who takes him by surprise by offering him help. Paxton gives him a push to the fuel tank, and a taste of what friendship might be like.