Stanley is the tank engine introduced in the Thomas & Friends movie, The Great Discovery. Stanley is a big hit after Sir Topham Hatt brings him on to help with the preparations for the Sodor Celebration. Stanley is a hard worker, has fun and helps out as much as possible. He is so popular in fact, that Thomas gets jealous. Find out what happens in The Great Discovery with the Stanley engine and Thomas the Train! Stanley is compatible with Thomas Wooden Railway track, trains and buildings.