CBeebies - Chuggington, Series 4

Fearless Wilson

14/26 When Brewster slips into the river, Wilson must get there superfast and help his friend.

18/26 Fletch is trapped in a snowdrift in the mountains and Wilson must rescue him!

15/26 The chuggers make preparations for the Winter Parade through Chuggington.

13/26 Hodge gets stuck high up in the air, but Wilson's clever thinking saves the day.

12/26 Wilson helps out when Old Puffer Pete goes sleep-riding around Chuggington.

11/26 Brewster is given the task of transporting the huge tunnel-boring machine.

10/26 Brewster and Koko go exploring and get stranded down a disused track.

9/26 Koko gives the mayor an amazing tour around Chuggington.

8/26 The Chuggineers get trapped by a flood, and Brewster uses his new skills to help.

7/26 A collapsed bridge traps Zack. Brewster must use all his craning skills to rescue him.