It's the traintastic world of Chuggington where eager engines Wilson Koko and Brewster are learning to become working trailers. Brewster's visit to the safari Park results in monkey mayhem, Koko has a hasty encounter with some squirrels and Ebo the Elephant causes mischief for Wilson … plus is there a dragon on the loose?! Zephie helps the vet check on the animals and Mtambo shows he's the tour guide ever by teaching Wilson and Brewster how to be junior tour guides and then giving the King a splendid night time tour! 7 episodes.