2008 | 27 Episodes

Season 0 of Tegami Bachi: Letter Bee premiered on November 24, 2008.

2009 | 25 Episodes

Season 1 of Tegami Bachi: Letter Bee premiered on October 3, 2009.

2010 | 25 Episodes

Season 2 of Tegami Bachi: Letter Bee premiered on October 3, 2010.