11. Osomatsu-kun Gets Adopted / Chibita the Invisible Man (1966)

A wealthy couple pay the sextuplets' parents to loan one of their boys out to them as a paid son, but the love they have for Osomatsu and Choromatsu is much too young for them. / Chibita and the brothers drink an invisibility potion and cause mischief.

Release date: 1966-04-16