Seniors!
Yui, Mio, Ritsu, and Tsumungi are all in the same class and members of the same music club. They want to bring in more members so their friend Azusa won't be the club's only member once they all graduate.
Episode 1•24m
Clean-up!
The girls find an old guitar that ends up being worth a lot of money. The girls purchase a selfless gift for their friend.
Episode 2•24m
Drummer!
Ritsu decides she doesn't want to be the drummer anymore. She wants to be in the spotlight.
Episode 3•24m
Field Trip!
The light music club seniors go on a school field trip to Kyoto.
Episode 4•24m
Staying Behind!
Azusa and Ui, along with their classmate Jun, spend time together while the third years are on their trip to Kyoto. Noticing that Ui would be lonely without her sister around, Jun and Azusa decide to sleepover at her house.
Episode 5•24m
Rainy Season!
On a very rainy day, Yui gets completely soaked trying to keep her guitar from getting wet. Azusa later helps Yui maintain her guitar
Episode 6•24m
Tea Party!
Mio gets the feeling that someone is watching her. The girls are reminded of the previous year, where Mio felt like she was being stalked by someone and went to the student council for advice.
Episode 7•24m
Career!
While filling in University Choice forms, Yui and Ritsu get in trouble for not being decisive enough about their future. Nodoka tells the others about how Yui became friends with her after they met in kindergarten.
Episode 8•24m
Finals!
Yui struggles with exams as finals approach. To refresh after the exams, she rallies her friends to join a talent show.
Episode 9•24m
Teacher!
Yui finds herself playing guitar for a band called Death Devil.
Episode 10•24m
Hot!
An exceptionally hot day launches a crusade to have air conditioning installed in the club room.
Episode 11•24m
Summer Festival!
Summer vacation leads the girls to a summer rock festival. The girls go their separate ways and become enthralled with different aspects of the rock music experience.
Episode 12•24m
Late Summer Greeting Card!
Another summer festival comes and the girls attend together. Azusa vows to make the upcoming school show a success.
Episode 13•24m
Summer Training!
Ritsu and Tsumugi get into shenanigans while Nodoka helps Yui with her homework.
Episode 14•24m
Marathon Tournament!
Summer vacation ends, and the girls enter a 5K race. Race day begins normally, but Yui goes missing. While everyone enjoys the reward of finishing the race, Sawako continues to search for Yui.
Episode 15•24m
Upperclassmen!
Azusa realizes the music club has been slacking off lately, and she resolves to practice more.
Episode 16•24m
No Club Room!
While the club room is closed for repairs, the girls have nowhere to practice. All is not lost, though, because the girls finally write lyrics to the music Tsumugi wrote.
Episode 17•24m
Leading Role!
Mio and Ritsu are nominated to play the roles of Romeo and Juliet in the class play. Tsumugi helps Mio find confidence, and Azusa worries the the group isn't preparing well enough for the concert.
Episode 18•24m
Romeo and Juliet!
The play goes off with only a few hitches. After the play, the group practices overnight to prepare for their live performance in front of the school.
Episode 19•24m
Yet Another School Festival!
Another school festival arrives, and the girls perform. Realizing their last year together is coming to an end, they reflect on their time together and vow to make the best of the remaining time.
Episode 20•24m
Graduation Yearbook!
The girls prepare for senior photos and college entrance exams.
Episode 21•24m
Entrance Exam!
Azusa makes a cake for her friends and visits the shrine to pray for success and good fortune for them all.
Episode 22•24m
After School!
The girls decide to record an album as an emblem of their time at the school.
Episode 23•24m
Graduation Ceremony!
Graduation day comes and goes. Azusa is happy for her friends but is sad to see them go.
Episode 24•24m
Planning Discussion!
Set just after episode 21, Azusa finds the light music club's attempted recruitment video from before she joined the club, which was so embarrassing that Mio hid it in a cookie can. In order to recruit some new members for the next year, the girls try to come up with pitches for a new recruitment video, but to no avail. After talking with Ui and Jun, Azusa comes up with the idea of filming a documentary of their activities, intersected with interviews from fellow students and staff. The video turns out great, besides one scene at the end which Azusa is not too keen on.
Episode 25Filler•24m
Visit!
Set before episode 23, Nodoka arrives in the clubroom with a sample of the graduation yearbook. The yearbook needs to be checked by Sawako, who is sick with a cold. Curious about what her apartment looks like, the girls decide to pay her a visit. Whilst looking through the album, they find a mysterious hand in the group photo, which turns out to be Ritsu's. Despite Sawako's objection, the girls decide to help her out around the apartment. They briefly visit Azusa, who is busy rehearsing for her freshman reception with Ui and Jun.
Episode 26Filler•24m
It is the new year, which means that the senior members of the Light Music Club are now third-years, with Azusa Nakano being the only second-year. The seniors soon realize that Azusa will be the only member left once they graduate and decide to recruit new members. Despite trying many methods of attracting underclassmen—handing out fliers, bringing people into the clubroom, and performing at the welcoming ceremony—there are no signs of anyone that plans to join. While heading to the clubroom, Azusa overhears Yui Hirasawa say that the club is fine with only five people and that they can do many fun things together. Changing her mind, she decides that they do not need to recruit any members for the time being. K-On!! revolves around the members of the Light Music Club as they experience their daily high school life. From rehearsing for concerts to just messing around, they are ready to make their last year together an exciting one! (Source: MAL Rewrite)
