Brewster, Maggie and Hamish are making onion soup and Hamish's eyes water. He wonders 'Why do onions make our eyes water?' The friends meet Soup Dragon who explains the onion juice sprays into the air, wafts upwards and make our eyes water. Discover answers to questions only young children ask! Through creative thinking, Brewster and Maggie take young viewers on a journey of discovery in a way that will not only entertain, but will get their creative thinking caps on!    Based on the book series `Brewster the Rooster' by Clifford Parrott.