- 9.0/101 votes
#1 - Episode 26
Season 1 Episode 26 - Aired 9/25/2011
Let's have a birthday party for Nano! Professor, what do you mean, "a little one?" Got it! I'll take this ugly one away, too! Cake, cake, cake!
Director: Taichi Ishidate
Writer: Keiichi Arawi