Kigen no Yoi Hakase

 is a musical composition from the Nichijou soundtrack. It was used in Episode 1 (Part 1), Episode 2 (Part 6), Episode 3 (Part 12), Episode 4 (Part 15), Episode 5 (Part 21), Episode 7 (Part 29), Episode 10 (Part 42), Episode 12 (Idiom), Episode 13 (Part 54), Episode 14 (Postlude where Nano and Hakase discuss Nano's first day of school), Episode 15 (Part 61), Episode 19 (Part 80), Episode 22 (A Certain Christmas Short), and Episode 24 (Part 104).

As the title implies, this tune is essentially Hakase's theme.