Happy Lesson - Specials
1 - Nice and Warm - Alone With Kanna
Air Date: December 13, 2002
Bonus episode (Episode 11.5) on the third DVD. This is the same as Happy Lesson Advance Episode 9 with different opening and endings.
2 - Episode 2
Air Date: July 19, 2001
3 - Episode 3
Air Date: December 21, 2001
4 - Episode 4
Air Date: April 26, 2002
5 - Episode 5
Air Date: March 28, 2003
6 - Episode 6
Air Date: May 23, 2003
7 - Crying - Kanna's Christmas Rebellion
Air Date: February 27, 2004
Special episode of Happy Lesson Advance, included with the fifth Region 2 DVD.
8 - Hot - Test of Courage in the Cool Evening
Air Date: May 28, 2004
Episode 1 of Happy Lesson The Final
9 - Pure - Mutsuki's Big Love!?
Air Date: August 27, 2004
Episode 2 of Happy Lesson The Final
10 - Well Well - Happy Finale!
Air Date: October 22, 2004
Episode 3 of Happy Lesson The Final