Percy is pulling some trucks up a hill when the coupling between him and the first truck breaks. This causes the trucks to break away and roll down the line, and at a tremendous pace at that! Will Percy catch them in time before they cause even more of a disaster?
| Name | Type | Role | |
|---|---|---|---|
| Britt Allcroft | Writer | ||
| David Mitton | Writer | ||
| David Mitton | Director |