Seasons & episodes
S1 · E1Umaru and Her Brother 2015-07-09 · 24 min
Responsible Taihei has to deal with his lazy little sister, Umaru, who trashes his apartment and throws tantrums to get manga and junk food.
S1 · E2Umaru and Ebina 2015-07-16 · 24 min
Taihei comes home to a complete stranger: Umaru’s public face. She’s cleaned the apartment and hidden her games to be able to invite her classmate and neighbor, Ebina, over.
S1 · E3Umaru and Her Disciple 2015-07-23 · 24 min
Umaru’s sulky, glaring classmate, Motoba, has unexpectedly shown up at her door… while she’s wearing her hood! Is her secret out?
S1 · E4Umaru and Her Rival 2015-07-30 · 24 min
Umaru, aka UMR, is a force to be reckoned with in the arcade. She’s invited to participate in a fighting game championship only to bump into her school rival, Tachibana.
S1 · E5Umaru and Summer Vacation 2015-08-06 · 24 min
Summer vacation means hours at the arcade! Umaru instructs in the fine art of enjoying summer like a (lazy) pro. Later, Taihei endures another typical day at work.
S1 · E6Umaru’s Birthday 2015-08-13 · 24 min
Taihei and Umaru experiment with free time and personal space in their little apartment, and playing “The Game of Life” hits too close to home for them all.
S1 · E7Umaru’s Big Brother 2015-08-20 · 24 min
People in his office have seen Taihei walking home and going shopping with a hot girl! His coworker comes over for a visit to see this so-called “sister” for himself.
S1 · E8Umaru and Christmas and New Year's 2015-08-27 · 24 min
In the Doma household, winter means lazy days beneath the kotatsu! Umaru reflects on her interesting year while Taihei tries to collect on a promise she made to him.
S1 · E9Umaru and Valentine’s 2015-09-03 · 24 min
It’s Valentine’s Day! Kirie burns cookies, Ebina attempts to make chocolate, and Umaru continues to offload food prep to Taihei.
S1 · E10Umaru and Now and Once Upon a Time 2015-09-10 · 24 min
Umaru gets sick, but it’s a good thing her germs are as lazy as she is! Sadly, her germs show her brother no mercy. Later, Taihei remembers a day at the arcade, 10 years ago.
S1 · E11Umaru's Everyday Life 2015-09-17 · 24 min
Umaru and Ebina discover that their appetites match, the council in Umaru’s head furiously debates about the perfect snack, and Taihei tries to get Kirie excited for summer.
S1 · E12Umaru and Everyone 2015-09-24 · 24 min
In this last episode of the season, Umaru might have to reveal her secret when her separate circles of friends come together during a much anticipated trip to the beach!