Watch Chuggington Season 2 Episode 9 Online
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- Subtitles: English
Dr Ling is experimenting with a new invention that can help chuggers increase their speed - the Booster! Brewster helps her to test it. The new booster makes him go super-fast, but it has some terrible side effects. Brewster gets a lot of attention and loves being thought of as a speedy engine, so he says nothing about the problems.
