Rescue at Rocky Ridge
Episode: 4x01 | Airdate: Sep 2, 2013
Episodes
Wilson's Forest Flare
Episode: 4x02 | Airdate: Sep 3, 2013
Stop Koko Stop!
Episode: 4x03 | Airdate: Aug 27, 2013
Runaway Koko
Episode: 4x04 | Airdate: Aug 28, 2013
Brewster Makes Tracks
Episode: 4x05 | Airdate: Aug 29, 2013
Chief Wilson
Episode: 4x06 | Airdate: Aug 30, 2013
Back Up Brewster
Episode: 4x07 | Airdate: Sep 13, 2013
Track Laying Brewster
Episode: 4x08 | Airdate: Oct 1, 2013
Explorer Koko
Episode: 4x09 | Airdate: Oct 2, 2013
The Old Silver Mine Line
Episode: 4x10 | Airdate: Oct 3, 2013
Brewster Leads The Way
Episode: 4x11 | Airdate: Oct 4, 2013
Park Patroller Wilson
Episode: 4x12 | Airdate: Oct 5, 2013
High Rise Rescue
Episode: 4x13 | Airdate: Oct 6, 2013
Winter Whiteout
Episode: 4x14 | Airdate: Jan 2, 2014
Snow Patrol
Episode: 4x15 | Airdate: Jan 3, 2014
Fearless Wilson
Episode: 4x16 | Airdate: Apr 7, 2014
Special Rescue Team
Episode: 4x17 | Airdate: Apr 8, 2014
Deputy Chug Patrollers
Episode: 4x18 | Airdate: Apr 9, 2014
Blazin' Wilson
Episode: 4x19 | Airdate: Apr 10, 2014
On Track Brewster
Episode: 4x20 | Airdate: Apr 11, 2014
We Are the Chuggineers
Episode: 4x21 | Airdate: Apr 21, 2014
Team Trainee
Episode: 4x22 | Airdate: Apr 22, 2014
Record Breaker Koko
Episode: 4x23 | Airdate: Apr 23, 2014
Tootington Tunnel
Episode: 4x24 | Airdate: Apr 17, 2014
Iron Chuggers
Episode: 4x25 | Airdate: Apr 18, 2014
Round Up Wilson
Episode: 4x26 | Airdate: Apr 21, 2014