Air date: June 7th, 2013 (UK), October 11th, 2013 (US)
For the first time, Caitlin has to spend the night on Sodor, but she's too excited to fall asleep.
Tropes featured in the episode:
- A Day in the Limelight: Even if her debut was in King of the Railway, this was Caitlin's first lead role.
- Deadpan Snarker: Gordon.Caitlin: Hello, Gordon! You're awake?
Gordon: Well I am now... - Genki Girl: Caitlin. Deconstructed when The Fat Controller and the other engines all advise her to keep quiet in the night, to no avail.