Nice and Warm - Alone With Kanna

S00 E01 • Friday, Dec 13, 2002 • Dec 13 • 25m

Bonus episode (Episode 11.5) on the third DVD. This is the same as Happy Lesson Advance Episode 9 with different opening and endings.

Episode 2

S00 E02 • Thursday, Jul 19, 2001 • Jul 19 • 25m

Episode 3

S00 E03 • Friday, Dec 21, 2001 • Dec 21 • 25m

Episode 4

S00 E04 • Friday, Apr 26, 2002 • Apr 26 • 25m

Episode 5

S00 E05 • Friday, Mar 28, 2003 • Mar 28 • 25m

Episode 6

S00 E06 • Friday, May 23, 2003 • May 23 • 25m

Crying - Kanna's Christmas Rebellion

S00 E07 • Friday, Feb 27, 2004 • Feb 27 • 25m

Special episode of Happy Lesson Advance, included with the fifth Region 2 DVD.

Hot - Test of Courage in the Cool Evening

S00 E08 • Friday, May 28, 2004 • May 28 • 25m

Episode 1 of Happy Lesson The Final

Pure - Mutsuki's Big Love!?

S00 E09 • Friday, Aug 27, 2004 • Aug 27 • 25m

Episode 2 of Happy Lesson The Final

Well Well - Happy Finale!

S00 E10 • Friday, Oct 22, 2004 • Oct 22 • 25m

Episode 3 of Happy Lesson The Final