Mr. Conductor's Big Sleepwalk is the twenty-second episode of the third season.
Mr. Conductor accidentally sneezes sleepy sand in his eyes and gets lost. Now he can't spread his sleepy sand to help everyone sleep.
- Mr. Conductor
- Stacy Jones
- Billy Twofeathers
- Dan Jones
- Kara Cupper
- J.B. King
- Charles' Mother
- Thomas (mentioned)
- Henry (mentioned)
- Bertie (mentioned)
Jukebox Band Segment Song
- Beautiful Dreamer
Cartoons and Songs
- When Mr. Conductor was talking in his sleep, he was telling his own Thomas stories.
- This is one of the rare episodes were a doll is used to represent Mr. Conductor.
- In the Nick Jr. version, the song Dreamland was cut out, along with sections from "Better Late Than Never".
- George Carlin's lines as Henry and Edward (for the second time) cross the viaduct.
- With a last cheerful greeting, the two friends went back to work.
- The ending of Better Late Than Never was cut short.