Harold the Helicopter (Annual story)

Harold the Helicopter is a 2002 annual story.

Plot
Harold and Thomas rescue Henry, who is derailed and stuck at a tunnel.

Characters

 * Thomas
 * Harold
 * Sir Topham Hatt
 * Henry
 * Percy

Trivia

 * This is to date the last completely original story to be published in an annual. From the 2003 annual onwards, all stories would be adaptations of episodes from the TV Series.

Locations

 * Sir Topham Hatt's Office