Calling All Engines! is a 2005 direct-to-video special, a spin off of the TV series, Thomas (the Tank Engine) & Friends and the first Thomas production since 2000's Thomas and the Magic Railroad. The film was produced by HIT Entertainment and released in the United States on September 6, 2005 and the United Kingdom on October 3, 2005.
Although Lady & Diesel 10 appear in this special, it is not an exact sequel to Thomas and the Magic Railroad.