John Callahan’s Quads! is a Canada-Australia co-production cartoon, based upon work of John Callahan. The show aired on Canada’s Teletoon, on Australia’s SBS, and in Latin America on Adult Swim. It is noted for being one of the first shows animated completely using Macromedia Flash software. It is produced by Animation Works, Nelvana, Media World Features, SBS Independent and Film Victoria, with support from ScreenWest and the Lotteries Commission of Western Australia. It is a Teletoon Original Production and was first aired on Teletoon on February 3, 2001. It is also viewable on Rogers Kids On Demand.