The gaudy and untruthful Iyami comes to town, fashioning himself a salesman. After a botched robbery, he inadvertently becomes victim to teeth-regrowing medicine.

After harassing Dayon the fortune-teller, Iyami awaits three bad things to befall him that day, as per Dayon's prediction.

Iyami runs a shady clinic, but is pushed into failure by Dekapan's much more ethical office. To get revenge, him and Chibita cook up a transformation potion.

Chibita is training to become Prima Donna in Iyami's ballet studio's big show. When one thing leads to another and he's ousted from his role by Osomatsu, Chibita throws away his heart (literally) and causes mischief for the big recital.

Dekapan visits the sextuplets with his daughter -- not a human, but a pig. Osomatsu and Choromatsu cook up a scheme to trick Chibita, who has fallen in love with her not realizing what she truly is.

After dining and dashing for the umpteenth time, Iyami plans a scheme to fake his death and use the grievance money to skip town.

Chibita finds an abandoned baby, but runs into financial difficulties alongside the discovery that the mother wants her baby back.

After he graduates, Chibita is caught between the expectations of being a good boy or being a troublemaker. With the help of Iyami's newly-developed personality-switching hat, he keeps a relatively clean appearance, but trouble ensues once he takes it off.

Iyami and Chibita sell used junk, but when they buy a wooden cabinet from the Matsunos that's worth a fortune, a battle ensues for who gets to claim the cash.

A candle-watching shinigami comes to town, and Iyami enlists his help in culling Osomatsu, who has recently come down with a life-threatening illness.

Iyami and Chibita, prison inmates, make a grand escape from their sentence, but only one problem is in their way, aside from the police on their tail: they're chained together at the waist.

Iyami, an amateur author who lives in poverty, strikes it rich when he sends in manuscripts that expose the many strange things about the people in town.

Lord Chibita, along with second-in-command Iyami, set up their Edo period-style headquarters in town, with the young Lord falling head-over-heels for Totoko.

The sextuplets get temporarily kidnapped and discover a plot for aliens to take over the world. Osomatsu and Choromatsu get replaced, and it's up to the family to find out who the real kids are.

Iyami saves Osomatsu's life.

Chibita hatches a plan with his scientist uncle to shrink the sextuplets to make him bigger in comparison.

After getting framed for one of Iyami's tricks, Hatabou tries to stand up for himself.

Chibita is a former safecracker who's trying to go straight, but a detective, Iyami, keeps hounding him.

Dekapan invents a mysterious liquid that causes anyone doused with it and who bumps heads to switch minds, leading to all sorts of chaos for the neighbors and their plans.

Iyami and Chibita build a bomb.

Chibita takes care of a cat.

A mysterious gunslinger, Chibita, shows up at the Dekapan Ranch just in time to drive off six bullying brothers.

Rich guy Iyami's diamond dentures go missing, and it's up to Detective Hatabou to find the lost jewels and the culprit behind the thieving.

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

After Iyami steals all of an oden vendor's stock and pins it on oden-loving Chibita, the tortured boy sets his aim on the sextuplets and Iyami in a slasher-style game of revenge.