A transfer student arrives on campus, and the three members of the SKET-dan introduce themselves, hoping the new student will join, but he politely declines. He returns soon after, covered in red paint as the apparent victim of bullying, asking the group for help. After investigating, they discover the culprit is actually the transfer student himself, who was operating under duress from the school bully and childhood acquaintance. After setting things straight, the new student is able to fit in comfortably at the school, and the members of SKET-dan look forward to their next task.

The next person to request the aid of the Sket Brigade is a "self-proclaimed" samurai of the Kendo Club. In the end, the sket dan helps him win the tournament. The client in this episode is viewed like an idiot who claims that he is a samurai.

Himeko was once a delinquent feared far and wide, the legendary yankee Onihime. She's totally reformed now, but starts to hear odd rumors that "the Onihime has started going on a rampage again.

Saotome Roman, member of the Manga Club, runs into her "prince" on a hill road on her way back from school in the rain. In order to meet her prince once again, Roman comes to the Sket-dan to ask their help, but...

Yuuki Reiko, member of the Occult Club, barges into the Sket-dan's room holding a picture of one of Kaimei Academy's seven mysteries, the "Ghost of the Incinerator". The Sket-dan are on the case (mainly Switch), trying to find out the truth behind the picture, and getting Shimada Takako from the Newspaper Club mixed up in it, too...

Tsubaki from the Student Council tells the Sket-dan they're going to be disbanded. In order to prove the Sket-dan's effectiveness, Bossun takes on a request to put on a play for a local preschool. But the Student Council also takes on the same request, and the battle is on!

Tetsu comes and asks the Sket-dan to meet with someone in his place. It seems like a sickly girl who he was exchanging messages with under a false persona wants to come see him...

Momoka has come to the Sket-dan for help. It turns out that she's been asked to audition for a voice role in an anime after being discovered during her performance at the preschool puppet show. Switch leaps at the opportunity to start her harsh training in the way of anime!

Manga artist Hinohara Enta has come to interview students at Kaimei Academy. Bossun thinks he can get popular if he becomes the model for the main character of a manga, but everything he says ends up being way too "boring" and "plain". Then, something completely out-of-the-blue happens!

The Sket-dan is having fun trying to take their minds off the upcoming midterms, when they hear rumors of a mysterious DVD that will curse you with bad luck if you watch it. Just then, Kuramoto Ayumi comes in with a simple request, to help cheer up her friend who has been acting strange lately. But there's more to this than meets the eye, as the stoic Yagi is acting like someone who has seen something they shouldn't have...

Yabasawa-san really wants a certain part for her avatar, and asks the Sket-dan to join a game tournament put on by a cellphone game site. The Sket-dan isn't particularly enthused about the prospect, but when they find out that the Student Council will also be participating...

The second game of the Bibage Battle is a real show between Shinzou and Tsubaki, coming to a truly cinematic finish! Then the curtain rises on a sharp-shooting (or is it, sharp-tongued) battle between Switch and Daisey!

It's the second to last round, and it's a battle of love between the pitch perfect rich girl and the klutzy, head-in-the-clouds Roman-tic! Which one of the will break their team's hearts?

Uchida Takaaki comes to the Sket Dance with a simple request: make him popular! Bossun and company immediately set their sights on getting Uchida to win a Mr. Popularity contest in their class, but Uchida's shy personality makes it difficult for him to stand out. Can Sket-dan Productions mold him into a star in just one week?!

Bossun may have a way with words, but these clients were born with their feet in their mouths! First is J-son-sensei, the shop teacher with the glass heart and looks straight out of some horror movie! Can the Sket-dan help him find love? A man of few words and many offstandish poses, "Dante" perhaps poses the greatest riddle of all... Can the Sket-dan help this Fallen Angel find his Wings

Kaimei Academy's music festival is coming up! Bossun is bummed that Himeko and Switch each have joined up with bands to participate. But before long Bossun is invited to join a band and the three are set to compete against each other!

Bossun makes friends with a violinist while practicing for the upcoming Rock Festival, Sugisaki Ayano. He learns from her how fun music is, and in no time the curtain rises on the Kaimei Rock Festival!

Yamanobe-sensei is back, and now he's trying to get everyone in the Sket-dan to play a nutty board game called Hyperion. Everyone except for Himeko, as only men can appreciate this game, supposedly. But the epicness gets Bossun and Switch very enthused about the game, and soon they find themselves heading to the world tournament...

A writer for a local newspaper is coming to interview and take a photo of the Sket-dan, and Himeko demands that Bossun get his hair cut. But when Bossun refuses, Himeko takes things into her own hands... What could possibly go wrong? Afterwards, it's the principal's birthday, and the Student Council is planning a surprise party for him. But when the President makes a mess of his prized bronze bust, the principal will be in for a whole different kind of surprise...

Bossun and Himeko get into a little fight, and things are made worse when Bossun and Switch are invited to a mixer with Seiji and three other girls. Bossun is rarin' to impress with his comedic flair, but he's in for a tough crowd. Without Himeko's fiery comebacks, Bossun's humor falls flat...

Bossun bumps into Himeko outside on the weekend, and they happen to spot Switch and Yuuki meeting up nearby as well. Their curiosity piqued, they decide to trail the 'odd couple' into a shopping mall. Turns out Switch is helping Yuuki with a request- to choose and purchase a laptop, so she can create a website dedicated to her passion of all things occult. Hijinks ensue, with the embodiment of 'Otaku' and 'Occult' clashing their interests and respective positions(supernatural vs science) against each other all the way(in their usual fashion). Nonetheless, they seem to be getting along well(again, in their own way), and even Bossun and Himeko note how unusual it is for Switch to be going out of his way to help his 'archrival', Yuuki. Switch and Yuuki then bump into her old crush from middle school, Kobayashi, who was there with another girl. He talks down to Yuuki, which seems to rub Switch the wrong way.

The principal adores his grandson very much and asks the Sket-dan to prepare a picture play to entertain him. They decide to base the story off of Momotaro, but change things up from the usual... Afterwards, he asks them to play with his grandson for an afternoon, but the kid doesn't seem interested in having fun at all.

Momoka comes to the Sket-dan to ask for help in her voice acting job. In an upcoming episode, she needs to play Liberty Maji back when she was little, and Momoka is having a hard time grasping the mindset of a child for her acting.

After helping Yosshi arrange a date, the Sket-dan run into Shinzou arguing with his younger brother. Unlike the proper samurai, his younger brother is rebellious and they don't seem to get along... The two's relationship reminds Switch of his own brother and the events of the past...

In the second Arc finale, Switch's "origin story" continues as Sawa-chan goes to young Switch and his older brother for help from a stalker. In a moment of spite stemming from jealousy, though, Kazuyoshi sends Switch and Sawa off on their own to buy personal protection items. While they're gone, Sawa's friend Yukino warns Kazuyoshi that the stalker is also a slasher. Kazuyoshi means to go out after his little brother and the girl he loves, but fate intervenes...

Bossun, Himeko and Switch are having a normal day.

The Sket-dan get a new assistant homeroom teacher (who wants everyone to call her, Onee-san), but she's a klutz and is upset she can't be a good role model for the students, so the Sket-dan ask Chuu-san to help with some of his strange drugs. Later, Switch goes through some old inventions of his that didn't work out as intended...

When the broadcasting club begins a weekly television talk show, their first guest is charismatic Student Council Shinba Michiru. The idea is for him to lead a cooking segment, but the show becomes chaotic due to Shinba's less-than-helpful assistants, the manipulative Agata and moody Daisey.

Dante is back, and this time he's missing something from his pencil... But could he have a crush on someone? Plus Bossun and the gang discover another of captain's amazing talents, and try and put it to good use, but...

The Sket-dan get obsessed with collecting a full set of "Super Slim-Figured Slenders" gatcha figures... Next Momoka's seem to have fame and moe get her head.