Ep. 21: The twenty-first installment of the anime series
Aired on April 24, 1967
21
Episodes
- Ep. 17 · The seventeenth installment of the anime series
- Ep. 18 · The eighteenth installment of the anime series
- Ep. 19 · Episode 19
- Ep. 20 · The twentieth installment of the series
- Ep. 21 · The twenty-first installment of the anime series
- Ep. 22 · Episode 22
- Ep. 23 · The twenty-third episode of the anime series