Henry is sad that he is stuck in the tunnel, and Gordon is having fun teasing him whenever he passes. One day Gordon's safety valve bursts just outside the tunnel. Edward is the only other engine available, but the train is too heavy for him. How could the situation possibly be resolved?
| Name | Type | Role | |
|---|---|---|---|
| Rev. W. Awdry | Writer | ||
| David Mitton | Director |