1-01.Polar Bear's Request
1-05.Daddy's Reusable Shopping Bag
1-21.Lives of Silkworms
2-01.The Cherry Blossom Viewing Adventure
2-06.Where is Blacky
2-10.All-You-Can-Eat Buffet
2-14."Fishy, Fishy, Swimming in the Water"
2-21.The Home of Hermit Crabs
3-01.The Crying Tree Spirit
3-16. Nature's Dismissal
4-03.Farewell, Candy !
4-06.The Image of Home
4-08.Willy's Tears.
4-11.Doctor Happy
4-13.The Price of Fashion
4-15.I'm Ugly, but Healthy and Yummy !
4-20.A Message From Migrating Birds
5-01.The Bees Are Gone
5-16.Garbage Island
