The Arlesdale Diesel

The Arlesdale Diesel is the 1st episode in Season 22: Re-Imagined.

Plot
After Thomas is sent to collect ballast from the Small Railway, an unfamiliar diesel begins causing trouble for the little engines. However, intervention by Douglas soon brings a stop to that.

Appearances
This marks the first appearance of the Arlesdale Engines (Mike, Rex, Bert, and Frank) in the series.

This episode also debuts Frank, the titular Arlesdale Railway Diesel.

Notes & trivia
TBA