Smoke Signals is a magazine story.
Duncan is rocking and rolling down the track and spots Harold high in the air on patrol and boasts that he never needs help from the air. Meanwhile, Rusty comes across a fallen tree on the track, but while the workmen fix the problem, they forget to switch the points and send Duncan into an old mine. A rockfall comes down behind him leaving him trapped. The engines try to look for him, but it is Harold who eventually finds him after spotting Duncan's smoke.
- Peter Sam is drawn with his old funnel.
- Peter Sam and Sir Handel are face to face with each other on the same track.