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“Wilson was so brave!"
"Proud to have you on my squad."
"And I'm proud to have you as my friend!"
"Aw, thank you. I can't wait to start work tomorrow! Three honks for new adventures!”
―Koko, Jackman and Wilson

Rescue at Rocky Ridge is the first episode of the fourth season, and the first part of the special, Chug Patrol: Ready to Rescue.


It's Wilson, Brewster, and Koko's first day trying out their new advanced training gear. They head up to Rocky Ridge, where Koko and Brewster go into the mine and Wilson stays back to try out Chug Patrol 1, a mobile crane car. He feels a shake on the ground and a wagon rolls away from him. While trying to stop the wagon, Wilson derails. Meanwhile, Brewster and Koko are in the mine when they feel the tremble. It knocks some stones onto the tracks which derail Koko and leave her dangling over an edge. Skylar then rescues Wilson and tells him he thinks the tremble came from Rocky Ridge Mine, when Wilson remembers that Brewster and Koko are down there. Wilson races to the rescue and saves Koko just before the mine collapses. Koko thanks Wilson for saving her at the CPHQ.


Rolling Stock[]






  • This episode marks the first of a few things:
    • The first episode of Season 4.
    • The first episode where Wilson and Brewster are voiced by Edward Sharpe and Toby Baddeley in the UK dub, taking over from Morgan Overton and Charlie George.
    • This episode marks the first appearance of Jackman, Hanzo, Zack, Tyne and Fletch.
    • The first episode where Skylar is voiced by Tony Denman in the American dub, taking over from Brendan Dooling.
    • The first episode to use the updated intro.
    • The first episode to feature Calley in her new Chug Patrol livery.
    • The first episode to have Wilson, Brewster and Koko in their new advanced training models.
    • The first episode where the title is read aloud in the UK dub.
    • The first episode where the quarry is referred to by name.
      • It is also the first episode to feature the new updated version of the quarry.
    • The first time since the first season episode, Braking Brewster, where Brewster's oval LED lights emit any light.
    • The first episode to feature the slightly updated Depot.
  • Part of this episode is reanimated for the Chug Patrol music video, with several all differences, including Asher being present, Brewster not being with Koko at the mine, and Wilson finding out about Koko’s accident at the bottom of the mountain, rather than at the quarry.


  • The rear bogie wheels to Hanzo's coach are missing in the shot of him racing down the Speed Track spiral.