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