Willo the Wisp
Willo the Wisp is a British animated television series produced by Nicholas Cartoon Films for the BBC. A first season
aired in 1981 on BBC1 with a second season in 2005. The series consists of stories featuring Arthur, a caterpillar, and Mavis Cruet, a fairy, told by the title character.
The Dragon (S1E5)
Evil Edna turns herself into a petrol tank so that the dragon can breathe fire (egged on by Arthur). The dragon briefly inflates by taking a deep breath before he successfully spews fire.