Honk your horns - toot toot! It is the traintastic playing field of Chuggington where eager engines Wilson, Koko and Brewster are learning how to become working trains.
The truly great Frostini helps the trainees try for his or her ice-cream car badges, Zephie is reminded that alarms are for emergencies only and the small engines are of help too!
Plus, Wilson plays nurse to the sick Dunbar and discovers his artistic side, and Koko learns the value of listening.