Selesai Tayang
| Ep. | Judul |
|---|---|
| 12. | What can't be seen when it's bright out, but can be seen when it's nighttime? 4.5 01 Jan 1970 |
| 11. | What's the Difference Between Grown-Ups and Kids? 4.6 01 Jan 1970 |
| 10. | What Color Gets Bigger the More You Bring It Together? Kasanereba Kasaneru Hodo Ookiku Naru Irotte, Nani? (重ねれば重ねるほど大きくなる色って、なに？) 4.6 15 Jun 2023 |
| 9. | What Has Its Face Come Out When it's Warm? Attakai to Kao ga Hokorobu Mono, Nani? (あったかいと顔がほころぶもの、なに？) 4.4 08 Jun 2023 |
| 8. | What Do You Put On To Be Beautiful? Kirei ni Naru Tame ni Haku Mono, Nani? (綺麗になるためにはくもの、なに？) 4.4 01 Jun 2023 |
| 7. | What Speaks Without a Voice? Koe no Motanai no ni Kataru Mono, Nani? (声を持たないのに語るもの、なに？) 4.1 18 Mei 2023 |
| 6. | What Gets Cooler The Hotter It Gets? Atsuku Nareba Naruhodo Kakeru Mono, Nani? (暑くなればなるほどかけるもの、なに？) 4.3 11 Mei 2023 |
| 5. | What's Really High But Underground? Sugoku Takai no ni Zutto Chika ni Aru Mono, Nani? (すごく高いのにずっと地下にあるもの、なに？) 4.3 04 Mei 2023 |
| 4. | What Flies With Broken Wings? Hane ga Orite Iru no ni Tonde Iku Mono, Nani? (羽が折れているのに飛んでいくもの、なに？) 4.5 27 Apr 2023 |
| 3. | What Sinks in the Ocean and Doesn't Get Wet? Umi ni Shizunde mo Nurenai Mono, Nani? (海に沈んでもぬれないもの、なに？) 4.5 20 Apr 2023 |
| 2. | What says 'I'm Home' even though it's leaving? Odekake na no ni Tadaima wo Suru Mono, Nani? (おでかけなのにただいまをするもの、なに？) 4.4 13 Apr 2023 |
| 1. | When Can't You See Your Own Face in the Mirror? Kagami de mo Miru Koto ga Dekinai Jibun no Kaotte, Nani? (鏡でも見ることができない自分の顔って、なに？) 4.4 06 Apr 2023 |
