This is the prologue goes in Elf Engine.
[The film opens to Papa Elf and Papa Elf Engine]
Papa Elf Engine: Hello. We have a special story to tell you. It's about how we adopted the little Tank Engine Thomas.
[The scene then switches to the engine yard]
Engineer: There. That should do it.
Engineer 2: Yeah. Besides, he's got a busy day ahead of him tomorrow.
[They close the shed doors and Thomas shuts his eyes]
[Thomas fell fast asleep]
[Suddenly, there is a noise]
[A sack comes falling the roof of a building outside]
Thomas: Is that a bag?
[He sees a man sliding down the roof]