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1. Bölüm An introduction episode explaining how Kohsaka, Kasukabe and Sasahara got involved with Genshiken; after some uncertainty, Sasahara decides to fully participate in the club.
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2. Bölüm Genshiken takes Sasahara to Akihabara for dōjinshi shopping while Kohsaka and Kasukabe go to Harajuku for clothes; Kasukabe discovers Kohsaka's hentai collection and gets an introduction on the subject from the others.
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3. Bölüm Genshiken goes on a club trip to Comifes, a large comic convention; Madarame seriously injures his hand, but pretends to be fine in the name of fandom until the pain becomes too great to bear.
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4. Bölüm Ohno is introduced as she joins Genshiken, while Genshiken takes part in a university club fair and Kasukabe's ex-boyfriend pays her a visit.
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5. Bölüm Due to Genshiken's lack of "activities" as defined by the school, the club is threatened with closure; salvation comes from an unlikely source as Kasukabe intervenes personally.
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6. Bölüm Kasukabe tries to make herself more appealing to Kohsaka by taking an interest in his hobbies by trying to learn how to play Puyo Pop Fever. Sasahara's sister Keiko also makes an appearance and calls on her brother for help.
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7. Bölüm Two freshmen take an interest in Genshiken and join them for a night out on the town. Kasukabe, however, has no intention of making them feel welcome.
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8. Bölüm Ohno and Sasahara start a plamo project and get the whole club involved, while Kasukabe learns an important lesson.
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9. Bölüm Madarame is stuck in the club room with Kasukabe and tries to strike up a conversation, running through different scenarios in his head which parody the visual novel format.
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10. Bölüm The club, along with Keiko, pays a visit to the beach, much to the dismay of some of the members; Keiko decides to compete for Kohsaka's feelings and tries to become an otaku.
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11. Bölüm Kasukabe decides the club room needs a cleanup, but an accident causes Genshiken to be banned from the university fair. As an apology, Kasukabe takes Ohno's place in the fair's cosplay contest.
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12. Bölüm The club is depressed due to their punishment of community service. Sasahara becomes the new President and proposes that the society attend Comifes as a circle.