Listen to Jonny Quest - Theme from the Hanna-Barbera Cartoon Series online. Jonny Quest - Theme from the Hanna-Barbera Cartoon Series is an English language song and is sung by Dominik Hauser. Jonny Quest - Theme from the Hanna-Barbera Cartoon Series, from the album Jonny Quest - Theme from the Hanna-Barbera Cartoon Series (Hoyt Curtin), was released in the year 2012. The duration of the song is 0:30. Download English songs online from JioSaavn.