December 13, 2002
Specials
01. Nice and Warm - Alone With Kanna
Bonus episode (Episode 11.5) on the third DVD. This is the same as Happy Lesson Advance Episode 9 with different opening and endings.
25min
December 13, 2002
02. Episode 2
No details
25min
July 19, 2001
03. Episode 3
No details
25min
December 21, 2001
04. Episode 4
No details
25min
April 26, 2002
05. Episode 5
No details
25min
March 28, 2003
06. Episode 6
No details
25min
May 23, 2003
07. Crying - Kanna's Christmas Rebellion
Special episode of Happy Lesson Advance, included with the fifth Region 2 DVD.
25min
February 27, 2004
08. Hot - Test of Courage in the Cool Evening
Episode 1 of Happy Lesson The Final
25min
May 28, 2004
09. Pure - Mutsuki's Big Love!?
Episode 2 of Happy Lesson The Final
25min
August 27, 2004
10. Well Well - Happy Finale!
Episode 3 of Happy Lesson The Final
25min
October 22, 2004