Degrassi: The Next Generation (season 4) Tags: Television Season.The fourth season of Degrassi: The Next Generation commenced airing in Canada on 7 September 2004 concluded on 14 February 2005 and contains twenty-two episodes. Degrassi: The Next Generation is a Canadian serial teen drama television series. country Canada first air date 2004-09-07 network CTV Television Network, Teletoon+, TeenNick number of episodes 22 Learn more... Loading...