Rail delays make life difficult for Thomas and his friends. | Delightfully disorganized twin engines Donald and Douglas arrive from Scotland.

Some silly trucks cause trouble between BoCo and the twins. | Edward suggests Gordon run a branch line for a change.

Percy makes Thomas late. | Sir Topham Hatt is planning a big celebration, but where is Thomas?

Thomas is late, Edward is impatient and the passengers are cross. Bertie races to the rescue. | Old-fashioned Trevor the Tractor Engine feels unwanted, but Edward knows how to cheer him up.

Thomas is a little too cheeky for his own good. | Edward has an accident. Gordon and Henry tease him about it when they learn why, but Edward has the last laugh.

Diesel makes trouble between Duck and the other engines. | Duck has a chase with runaway trucks and pays a surprise visit to a barber's shop.

Percy ignores a Danger sign, but soon learns his lesson. | The big engines are glad when Diesel arrives.

Some boys meddle with James's controls. | Thomas doubts Trevor's ability to help build the new harbor.

With Thomas in trouble, Sir Topham Hatt sends for Daisy to run his Railway. | Daisy is difficult.

Donald and Douglas come to Henry's rescue. | After showing off, Thomas finds himself an unwelcome guest in the Stationmaster's house.

Percy enjoys playing tricks on the big engines but Gordon and James have a plan of their own. | Percy is pleased when a new engine called Duck arrives.

Harold the Helicopter is being a nuisance. | Duck looks after Annie and Clarabel while Thomas is ill.

Gordon, James and Henry tease Edward about his age, but an accident on an important journey shows just how strong Edward can be. | Percy tells Thomas and Toby a ghost story.