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 in Indian Valley 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 quickly cutting to Thomas arguing with Henry at the junction.
- With a last cheerful greeting, the two friends went back to work.
- The ending of Better Late Than Never was cut short.