Year-End Special-san 1 Season 12 Episode

Episode #1

Osomatsu-kun Returns

Episode #2

Let's Get a Job/The Melancholy of Osomatsu-kun

Episode #3

Tidbits Collection

Episode #4

Let's Get Independent/This is Totoko

Episode #5

The Karamatsu Incident/ESP Kitty

Episode #6

It's a Birthday Party, Dajo/Iyami's Great Discovery

Episode #7

Todomatsu and the 5 Demons/To the North

Episode #8

The Calming Osomatsu/Totoko's Dream

Episode #9

Chibita and Oden/Jyushimatsu Falls in Love

Episode #10

Iyami and Chibita's Rental Girlfriend

Episode #11

Christmas Osomatsu-san

Episode #12

Year-End Special-san

Episode #13

Sanematsu-san/Girlymatsu-san/Accident?

Episode #14

We Caught a Cold/Todomatsu's Line/Choromatsu-sensei

Episode #15

Interview/Girlymatsu-san 2/The Life of Chibita's Flower

Episode #16

Cat Cafe/Matsuno Max/The Ichimatsu Incident

Episode #17

Jyushimatsu Festival

Episode #18

Iyami's Counterattack

Episode #19

Period Drama Osomatsu-san/Choromatsu Rising

Episode #20

Teach Me, Hatabou/School Matsu/Iyami's School

Episode #21

Mahjong/Godmatsu

Episode #22

The Star of Hope, Todomatsu/Final Sheeeh

Episode #23

Kerosene/Dayon Tribe

Episode #24

Totoko's Huge Panic/Letter

Episode #25

Osomatsu-san, Such as It Was