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

1 Osomatsu-kun Returns 2 Let's Get a Job/The Melancholy of Osomatsu-kun 3 Tidbits Collection 4 Let's Get Independent/This is Totoko 5 The Karamatsu Incident/ESP Kitty 6 It's a Birthday Party, Dajo/Iyami's Great Discovery 7 Todomatsu and the 5 Demons/To the North 8 The Calming Osomatsu/Totoko's Dream 9 Chibita and Oden/Jyushimatsu Falls in Love 10 Iyami and Chibita's Rental Girlfriend 11 Christmas Osomatsu-san 12 Year-End Special-san 13 Sanematsu-san/Girlymatsu-san/Accident? 14 We Caught a Cold/Todomatsu's Line/Choromatsu-sensei 15 Interview/Girlymatsu-san 2/The Life of Chibita's Flower 16 Cat Cafe/Matsuno Max/The Ichimatsu Incident 17 Jyushimatsu Festival 18 Girlymatsu-san 3 / Iyami's Counterattack 19 Period Drama Osomatsu-san/Choromatsu Rising 20 Teach Me, Hatabou/School Matsu/Iyami's School 21 Mahjong/Godmatsu 22 The Star of Hope, Todomatsu/Final Sheeeh 23 Kerosene/Dayon Tribe 24 Totoko's Huge Panic/Letter 25 Osomatsu-san, Such as It Was