Mr. Osomatsu, Mr. Three Kingdoms; Osomatsu and Todomatsu

Iyami and Chibita go looking for the Matsuno brothers to see if they have changed their ways.

The brothers try their hand at internet streaming; a detergent turns the siblings invisible.

Mammoths; Choromatsu and Ichimatsu are awkward; Totoko takes part in an eating contest.

The brothers try to help their father reignite the spark in his relationship with Matsuyo.

The boys and their friends get caught up in a series of incidents over the summer.

Iyami is down on his luck and asks the boys for help; Hatabou has some trouble finding friends.

A parody of "Romance of the Three Kingdoms"; Osomatsu joins Todomatsu at a mixer.

Dekapan's latest invention; Jyushimatsu wants to be a dolphin; Totoko and Nyaa encounter each other.

Ichimatsu monitors the brothers' courtesy toward each other; Iyami reveals skills at an arcade.

Karamatsu tries to be reliable; Totoko is hired by Todomatsu; Mr. Osomatsu's recording session.

Chibita reaches a breaking point and begins hunting the sextuplets to exact his revenge.

A boy idolizes Jyushimatsu and asks to be his apprentice; Dayon steals Prof. Dekapan's pants.

Year-end skits including Ichimatsu taking part in a lottery and Choromatsu sending New Year's cards.

A miracle of sorts for the anti-social Sanematsu; Choromatsu debuts his new look to his brothers.

Ichimatsu can't open a jar; Karamatsu is a taxi driver; the annual New Year's Totty Quiz.

The Space Pirate Shazaar makes a change; a cute girl moves in next door and befriends the boys.

Ichimatsu feels too many good things are happening; Karahiko and Todomi stay at a haunted inn.

Iyami comes across a blind flower girl named Okiku and tries to help her raise money for surgery.

Dekapan becomes president; Iyami sets up a new con; brothers hope to get Valentine's Day chocolates.

Chibita tries to sell sextuplet meats buns; Jyushimatsu becomes a raccoon; Totoko in a creepy maze.

The brothers get rowdy at a ramen shop; Matsuyo may send a son to a NEET correctional facility.

Everyone hops on Hatabou's private jet for a trip to Hawaii, but something goes wrong.

The secret life of Dayon is finally revealed; Iyami feels like he doesn't belong on the show.

When Matsuzou's health fails, the sextuplets have to start thinking seriously about their futures.

Iyami crashes a plane into the brothers' house, killing them all and sending them to the underworld.