Thomas thinks grubby new engine Scruff should have a wash-down, but the scruffy engine disagrees and flees. Thomas learns that even scruffy engines can be really useful.
Whiff is excited as Scruff the Scruncher is arriving to help him at the Waste Dump. Thomas meets Scruff at Brendham Docks and sees that Scruff is a bit dirty. Thomas decides it would be useful to give Scruff a clean before he starts his new job.—Anonymous