1, "A Child High School Student"

We first meet 10-year-old prodigy Chiyo Mihama on her first day of high school. Meanwhile, English teacher Yukari-sensei is also on her way to school, and nothing seems to be going her way.

2, "A Genius"

We learn that, in spite of being very smart for her age, Chiyo is far from perfect. Nonetheless, Chiyo quickly becomes a featured member of the class.

3, "Scary, maybe?"

Chiyo is helping out in class when she meets Miss Sakaki, the tall quiet girl that everyone idolizes. But, upon reviewing Sakaki's pick of career choices, Chiyo wonders if their might be more to Miss Sakaki than meets the eye.

4, "The Rampaging Tomo-chan!"

We meet Tomo, the hyperactive girl, as she challenges both Sakaki and Chiyo and generally gets herself into trouble.

5, "An Osakan Girl"

A new transfer student, Ayumu, arrives from Osaka. Now, poor Ayumu must try to deal with her classmates' preconceived notions about Osaka natives.

6, "Osaka Today As Well"

We learn more about Ayumu (now known as "Osaka") and her unfortunate habit of spacing out at inopportune moments.

7, "P.E. - Volleyball"

During Kurosawa-sensei's gym class, we see how athletic (and unathletic) the girls can be.

8, "Hiccups"

After sampling some of Yomi's spicy lunch, Osaka gets a bad case of the hiccups.

9, "The Brain..."

Hours have passed, school is over, and Osaka's hiccups still have not gone away! The girls do everything they can to help her, but can the cure be worse than the disease?

10, "Brand New"

We get a small glimpse into Osaka's imagination, where anything can happen, and reality as we know it ceases to exist.

16, "A Fun Profession"

We meet Kimura-sensei, the girls' creepy Classical Lit. teacher.

17, "Pool, Pool, Pool"

As the girls gather at the school pool for gym class, we get to see more of their physical limitations, as well as a few personality quirks.

18, "Ribbon"

Nyamo is trying to teach swimming technique to her class at the pool, when Yukari (naturally) rudely interrupts.

19, "Just the Two of Them"

At Yukari's insistence, she and Nyamo face off in a pool relay race.

20, "A Good Person?"

The aftermath of the class relay race. Also, the girls spot Kimura in the park after school and start wondering what kind of person he really is.

26, "Equation for Victory"

The upcoming school Sports Fest has everyone excited, especially Yukari.

27, "Sakaki of Class 3, Kagura of Class 5"

The Sports Fest begins. However, Chiyo doubts whether or not she will able to help her classmates win.

28, "Runaway Victory"

The games continue as the girls participate in the 400 meter race, the scavenger hunt, and the tug-of-war.

29, "Yay!"

The final decisive event of the day: the class relay race! Also, Chiyo gets her moment to shine.

30, "Dancing the Grand Finale"

The Sports Fest ends with a traditional dance, where Kaorin's greatest fanasy and her worst nightmare both come true!

31, "Fairyland Class"

With the school Culture Fest coming up, the class tries to come up with a theme. One anonymous (and cute) entry seems particularly promising...

32, "Man of Character"

The girls gather at Chiyo's house to work on getting ready for the Culture Fest. Also, Sakaki gets to pet an animal for the first time!

33, "Go With Enthusiasm!"

The Culture fest begins, and everyone is getting into it... especially Tomo!

34, "The Mascot"

A large cat suit gets exchanged between several wearers as the Culture Fest wears on.

35, "Enemy?"

The Culture Fest draws to a close, and the girls get to celebrate their success.

41 - If I Can't Pet One...

When Kaorin shows off pictures of her cats at school, Sakaki gets an idea.

42 - 11 Years Old

Chiyo announces that she will soon be turning eleven.

43 - Mr. Kitty Cat

With Chiyo's birthday coming up, Sakaki searches for the perfect gift.

44 - Premise

The girls gather at Chiyo's house for a birthday party.

45 - Why?

After the party, the girls go for a walk together.

51 - Cosmopolitan City

Kagura tries to converse with a foreigner using English. Plus, "what does IT stand for?"

52 - Showdown

Kagura challenges Sakaki to a series of contests.

53 - You Didn't Have To Hit Him

The girls get their measurements taken. Plus, Kamineko attacks!

54 - Covered in Cats

Sakaki takes time out to fantasize, then goes in search of an alley where wild cats meet.

55 - Don't Run Away

Kagura tries to help Sakaki by scaring away the cats that could bite her... much to Sakaki's dismay.

61 - No Guard Strategy

Midterm exams are coming up, and even Tomo is getting worried.

62 - S

The formation of the Knuckleheads.

63 - Exams

Everyone is doing last minute studying for the exams, even the Knuckleheads.

64 - Formation

The test scores are in! And the winner is... the Knuckleheads!?!

65 - Abilities

Tomo and Kagura exchange insults. Plus, we find out what really motivates Tomo.

71 - Members of the Kimura Family

Kimura... a husband and father?

72 - Did You See? Did You See?

The Sports Fest begins. Plus, Osaka vs. the obstacle course.

73 - Unidentified Wife

Kimura's wife! She's real!

74 - Nervous Wreck

Chiyo in the scavenger hunt, Kaorin and Sakaki in the three-legged race, and the 10K run.

75 - The Numbers Are In

And finally, Yomi vs. the scale.

76 - Combination

It's time for the Culture Fest again. But, with last year's theme being such a big hit, how are the girls going to top it?

77 - Epiphany

The girls finally decide on a theme. Plus, Chiyo feels the pressure!

78 - Cute

The Culture Fest begins. Plus, Chiyo suits up!

79 - Ordering

Nyamo drops in for some coffee. Kimura drops in for something else entirely.

80 - Advertising Reach

Chiyo and Osaka take a break to enjoy the Culture Fest.

81 - Osaka's Horror Story

Chiyo and Osaka talk about pandas. Plus, Osaka describes a different kind of horror.

82 - Change of Pace

Yukari gets bored with teaching English, so she decides to try something different.

83 - Yule

Christmas is coming and everyone's getting merry! Plus, Tomo and Kagura discuss the mystery of Santa Claus.

84 - Amazing Santa

Christmas wishes, reindeer... fact or fiction, and the year of the adder.

85 - Christmas Party

The girls go out for a little fun and karaoke.

111 - Got a Bite

The Sports Fest returns! ...But why is Osaka so excited?

112 - Motivator

Her and Tomo's rough-housing leads to a crisis for Kagura.

113 - Hadn't Thought of That

Osaka is pumped up and ready, but there is one possibility she hadn't considered...

114 - We'll All Run Together

Kaorin gets to see Sakaki in a way she's never seen her before. Plus, the relay race begins.

115 - United

It all comes down to this... In the relay race, the girls are going to have to work together if they're going to win.

126 - First Graduation Ever

The last day of school begins, Sakaki faces Kamineko, and Osaka vs. hay fever.

127 - A Thousand Emotions

At the graduation ceremony, Chiyo gets a surprise, then gets overwhelmed.

128 - Sorrow

Why is Miss Yukari crying?

129 - Alma Mater

The girls say "goodbye" to high school.

130 - Everyone

For Yomi, this is the moment of truth. Will she be accepted like the others, or will she be left out yet again?