Exhausted and feeling unloved by his six sons, Dad runs away from home and pledges to raise fellow runaway Chibita.

The Sextuplets are froced to babysit their Dad's Boss' son.

Chibita is a bellboy working at the Dayon Hotel when he takes in Totoko, a poor girl who's lost her beautiful singing voice.

The Sextuplets go skiing with their instructor Iyami.

The Sextuplets are sent to a zen temple to be straightened out by Iyami, a monk who's in it for the money.

Osomatsu's family goes on vacation to an inn that they realize is too expensive for them.

Iyami tries to change all the restaurants in town to oden shops in order to please the mega-rich Chibita.

Osomatsu gets adopted by Dekapan.

Chibita's mother comes back into his life by having him kidnapped away from Dekapan, the poor man who raised him.

Would-be burglar Iyami is drafted into posing as the director of a hospital, a ruse that works until he's forced to treat a yakuza boss.

When Iyami's circus goes out of business, he gives the lion to the Osomatsu's family, which doesn't sit well with Chibita, the lion's only friend.

In ancient Japan, secret retired vice-shogun Hatabou and his companions go up against crooked magistrate Iyami.