The Best of Connor and Caitlin is a UK/US/Danish DVD idea featuring two seventeenth season episodes and two eighteenth episodes. Both versions came with the DVD "King of the Railway".
- Calm Down Caitlin
- Bill or Ben?
- Not So Slow Coaches
- Last Train for Christmas
- King of the Railway
- Narrated by Mark Moraghan in the UK/US and Lars Mikkelson in Denmark.
- Distributed by Hit Entertainment for the UK and Universal Studios Home Entertainment in the US.
- The back cover shows a picture from No More Mr. Nice Engine, but that episode does not appear on this DVD.
- Connor and Caitlin
- Connor, Bill and Ben from "Bill or Ben?"
- Connor and Hiro from "No More Mr. Nice Engine"
- Caitlin from "Calm Down Caitlin"