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 a pretty girl moves next door to Osomatsu and his brothers, Totoko is deposed as the neighborhood's number one idol.

With winter on its way, Iyami wants to be jailed for the sake of shelter and warm meals, but all of his attempted crimes turn into good deeds.

When the sextuplets and Totoko go camping, they encounter Iyami, a wild man of the forest.

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

Totoko becomes infected with personality-altering bacteria from Iyami's body.

God (Dekapan) grants Chibita the power to make all of his wishes come true.

Iyami and Chibita build a watermelon bomb to get revenge against Osomatsu and his brothers.

Dekapan invents an artificially intelligent vaccum cleaner that goes out of control and threatens to destroy the country.

Chibita uses a secret formula to shrink Osomatsu and his brothers as payback for mocking him.

Iyami is driven mad by the desperate measures he takes to sell lousy camera film for his failing company.

Iyami is a failed novelist who becomes popular when he starts writing outrageous lies about his neighbors.

30 years later, Osomatsu and his brothers are middle-aged salarymen scientists slaving away under their boss, Dekapan, and his demanding daughter, Totoko.

Chibita gets a hat that turns him into a good boy when he wears it.

Inspector Chibita teams up with "great detective" Iyami to capture Phantom Thief Dayon.

Iyami's ballet school is putting on a performance in three days, but amid backstage turmoil, the prima ballerina keeps changing.Chibita falls in love with Dekapan's "daughter," Hanako, unaware that she's actually a pig.