Chuggington - Series 1 - Koko on Call

Chuggington is a special place where the trains talk, think and don't need drivers. Ride along with young trainees Koko, Wilson and Brewster as they embark on new adventures. Twiga the giraffe is having a baby. An excited Koko is given the important job of keeping watch overnight and fetching Doctor Gosling, the vet.