One day, Percy is travelling along Toby's old branch line and discovers the track is wobbly. He hurries back to the station to warn the other engines but gets frustrated when nobody listens to him. Later on, Thomas goes out onto the old line and gets stuck. Percy starts to worry when Thomas doesn't return home. Where could he be?
| Name | Type | Role | |
|---|---|---|---|
| Paul Larson | Writer | ||
| David Mitton | Director |