Everything is normal as the four main characters attend a normal day of high school. They discuss different foods and how they eat them. Later on, Kagami gets sick and all the characters go over to ma…

Throughout Golden Week, Tsukasa and Kagami have been playing together. However, Tsukasa does not know that her sister has actually been waking up earlier and going to bed later than her in order to st…

It is summertime for the girls; that means one thing: comfortable summer uniforms! Tsukasa and Kagami are fraternal twins, but Konata shows them the similar and different characteristics they share. …

Summer is almost here, and Konata is still staying up late playing online video games, reading manga, and watching anime instead of studying. Kagami and Tsukasa's birthday arrives on July 7 and Konata…

Summer vacation has just begun. Konata, the Hiiragi twins and Miyuki go to a summer festival clothed in yukata. Yui Nanami is first introduced in this episode, currently on patrol at the festival. Kon…

The group, plus Cousin Yui and Nanako, go to the beach for some summer fun. After Yui races down the road, and Nanako gets really lost, they finally make it and spend a night in a Japanese inn. After …

The gang comes back to school after the summer break and Konata is in a good mood because she has become hooked on Marimite. Miyuki is forced to go to school without her glasses because she broke them…

It's about that time of year for the girls: athletic festivals! Konata's father is excited because he has been dying for an opportunity to try out his new camera. Kagami is in an eating contest, Konat…

It is time for tests! Unfortunately, Konata cannot seem to concentrate on studying and instead reverts to slacking off and playing games. She tries to ask Miyuki about good study habits, but in the en…

Tsukasa gets a new cell phone. Kagami teaches her how to text message. Tsukasa text messages Kagami to the point of sheer annoyance. Konata invites Kagami and Tsukasa over to her house and they forget…

Konata and the girls discuss the problems with sleeping during trainrides. Christmas is around the corner, but before that, Konata learns the truth about the existence of Santa Claus, Tsukasa and Miy…

Konata persuades Kagami and Tsukasa to come along with her to a festival of sorts: a convention called ComiKet. There, Konata tells the twins to follow her plan of buying new manga, Kagami learns how…

Winter break is over, and so it's back to school where the girls have conversations about what they did, ate, and dreamt about during their winter vacation. It's now time for Valentine's Day, which m…

Konata's cousin Yutaka Kobayakawa, who is also Konata's cousin Yui's little sister, has passed her high school entrance exams and will be living with Konata and her father from now on. Before a sick …

The girls go to a concert entitled "The Jam of Haruhi Suzumiya". Kagami explains how much her pet goldfish has grown. Konata actually finishes her homework, Ms. Kuroi accidentally erases a saved fil…

Konata gets a new cellphone. The girls learn how Miyuki became so knowledgable, how much she spaces out, and when she started wearing glasses. Kagami, Tsukasa, and Miyuki go see Konata at her job. …

It's Konata's birthday, and her family sets up a surprise party for her when she gets home from work. All goes according to plan until Konata calls and says that her coworkers are throwing her a part…

Konata thinks about what animal each of the girls, including herself, would be. She sees herself as a fox, Tsukasa as a dog, Yutaka as a squirrel, and Kagami as a bunny. Konata and Miyuki discuss th…

Konata and her dad discuss Gun**m (Gundam). Yutaka thinks that having an upperclassman like Konata is advantageous when she needs help with her school work, but Konata doesn't think so. Konata compl…

Konata and Kagami talk about getting rare cards from snack packs and female otakus' tastes in males. Konata, her dad, and Yutaka are annoyed by mosquitoes. The girls are taking summer classes, and K…

Konata and the girls discuss parents who check through their children's e-mails and text messages, how much money Konata spent at Comiket, and how hot it is even though it's September. Yui meet's Yut…

Konata, Tsukasa, Miyuki, and Kuroi-sensei discuss baseball. Konata and Kagami talk about novels being adapted into anime, habits that people does while talking on the phone, and how people can't seem…

Konata and Yutaka catch a cold, and Yutaka's friends, Minami, Hiyori, and Patricia, come and visit her. They, Konata, and Yutaka discuss younger-sister-moe, Minami's lack of breasts and how Hiyori do…

It's almost time for the school's culture festival. While the girls are preparing for their classes' themes for the festival, Patricia proposes that she and the girls in her class should do a cheerle…