Apple iTunes has several seasons of anime on sale for $5 each – Haruhi Suzumiya and Nagato Yuki-Chan are the real bargains as the shows never go on sale.
Hopefully Amazon will price match soon
The Melancholy of Haruhi Suzumiya https://itunes.apple.co
The Disappearance of Nagato Yuki-Chan (Original Japanese Version) https://itunes.apple.co
The Disappearance of Nagato Yuki-Chan https://itunes.apple.co
Rosario + Vampire (Original Japanese Version) https://itunes.apple.co
Rosario + Vampire https://itunes.apple.co
Saga of Tanya the Evil (Original Japanese Version) https://itunes.apple.co
Saga of Tanya the Evil https://itunes.apple.co
The Testament of Sister New Devil (Original Japanese Version) https://itunes.apple.co
The Testament of Sister New Devil https://itunes.apple.co
The Testament of Sister New Devil, BURST, Season 2 (Original Japanese Version) https://itunes.apple.co
The Testament of Sister New Devil BURST, Season 2 https://itunes.apple.co