1 Episode 1 : Hippo and Little Brother and Otowa Mansion 2 Episode 2 : My Little Brother 3 Episode 3 : Ever Since the Day We First Met 4 Episode 4 : Fever! Let's Pugi 5 Episode 5 : A Great Man 6 Episode 6 : Mother Provides the Crab, Hippo Becomes a Rhino 7 Episode 7 : Looking for a Husband for Kanae 8 Episode 8 : To Be Motz Is to Fib 9 Episode 9 : A World Without Circles 10 Episode 10 : Liszt vs Risuto: Bell (Gong) of Destiny 11 Episode 11 : Nothing But Saltiness 12 Episode 12 : Wagner's Ambition 13 Episode 13 : Forget the Year's Hardships! Red vs. White Musik Contest 14 Episode 14 : Fall in Love, Pop Idol! Travel, Pygmy Hippo! 15 Episode 15 : Dosukoi! Otowa Sumo Stable 16 Episode 16 : A Reunion with the Great Unknown 17 Episode 17 : WesternLoids of the Wild West 18 Episode 18 : Goodbye, Big Sister 19 Episode 19 : The Melancholy of Schubert 20 Episode 20 : The Melancholy of Dovo-chan 21 Episode 21 : Chopin the Hero 22 Episode 22 : Bach, CLAKLA, Nibelungen 23 Episode 23 : A Long-Awaited Person Arrives, A Castle Is Built 24 Episode 24 : Big Sister and Little Brother 25 Episode 25 : The Last ClassicaLoid