Calling All Engines is Thomas? biggest adventure yet! It?s a fantastic feature length Special! Starring Thomas the Tank Engine, Diesel 10, Emily, James, Toby?and all their friends. When Sir Topham Hatt announces the building of a new Airport on Sodor, old rivalries between steam engines and diesels rapidly resurface. A trick by Thomas backfires badly and soon the future of the Island and Sir Tophams? Railway is in jeopardy. Can Thomas persuade the diesels and steam engines to settle their differences and save their Island and their home?