Percy is at the Sodor Steamworks for repairs, so the Fat Controller puts Thomas in charge of the mail run. Thomas is excited about doing it and ignores Gordon's advice to ask Percy how he does it. Attempting on his own, Thomas makes the crucial mistake of whistling loudly, disturbing the sleep of others.
| Creator | Britt Allcroft |
|---|---|
| Actor | John Hasler, Joseph May |
| Country | Canada, United Kingdom, United States of America |
| Production | Nitrogen Studios Canada |