A spooky-looking girl obsessed with the occult comes to the Sket-dan with a request: to prove or disprove the ghost she claimed to have seen at the entrance to the school's incinerator. Bossun and Himeko are too scared by the girl and her story, but Switch takes the job himself, relishing the chance to shoot down her crazy theories. Meanwhile, the school's Student Council performs a sting operation on an underground gang of student criminals called the "Spider Society," and turns them over to the real police.
Sasuke stops Shinzo for violating the rules by having a shinai on school grounds. He suspends Shinzo for two weeks and tells him to write a letter of apology. Shinzo attacks him, but Sasuke overwhelms him by smashing the wall with his fist. A woman (Daisy) steals a manga book in the bookstore while a man in glasses takes a picture with his cell phone. In the Sket Dance club room, Switch explains about the Spider Society and how their victims are not making reports. When Bossun sees it is Hime's turn to take out the trash, Hime refuses, and Reiko appears in a creepy fashion. She explains that incinerator has a ghost while she crawls through the window.
After the lights return, Switch explains more about Reiko such as her involvement in the Occult club and her passion with the supernatural. He also tells his friends that he has got into a scuffle with her due to their argument whether ghosts exist or not. Reiko reveals a newspaper article that has the photo of the ghost floating in front of the incinerator. During Switch and Reiko's reenactment of what has happened, Bossun and Hime are scared to death. Bossun thinks Hime is afraid which Hime pinches his thighs with a plier in an innocent yet brutal manner. Reiko explains that she saw the ghost last Tuesday during a stakeout. Once she sees the ghost, as she freaks out, she takes the pictures frantically. Switch thinks this is a hoax, and he will find a witness to prove her wrong. Switch takes the request which Hime and Bossun try to deny. After the argument, Switch decides to take the investigation by himself, and he accepts the duel with Reiko.
Samada asks Switch
Switch interviews a fat otaku (Otakura) who knows Reiko. During his conversations, Switch finds out about the newspaper reporter, Shimada Takako, who is a friend of Reiko. Meanwhile, Hime and Bossun spies on Switch. As Switch interviews Shimada who is in charge of the seven mysteries column which Reiko is fascinated with. It turns out Shimada is the one who obtained Reiko's photo. Suddenly, Shimada changes the conversation and wants to interview Switch. Switch denies and tell her to wait 120 million years.
Bossun bangs his head since Switch is pretty popular. Switch interviews Yoshinari on the roof due to Shimada' sreference. Shimada explains that he saw the ghost last Wednesday. The interviews end, and Switch sends Bossun a message. He knows that his friends have been tailing him.
Hime reveals photo
Switch speaks in an annoying voice using his software, and Hime freaks out due to the ghosts. She reveals the photo of the ghost to Bossun. Bossun notices something and wears his goggles. As he concentrates, he asks Switch to look up something because he knows the identity of the ghost.
Switch and Reiko wait in front of the incinerator for the ghost while Hime calls Shimada. The ghost appears and floats. It turns out that the ghost is Bossun who reveals the trick by sticking his leg out of the open slit. He demonstrates that it looks like he float by stepping on the ledge. Also, Bossun reveals in the photo that the door is open which is on Tuesday.
Duel of Ghost and Robot
Bossun reveals that shots that Reiko took are blurry because she panicked. Therefore, Shimada retakes the shot on the following day (Wednesday). Shimada confesses that no one would read or talk about her articles and that only Reiko is interested in. Shimada apologizes to Reiko which Reiko forgives her. Bossun states that Reiko is a nice person while Hime tells him that he will beat her if she is in Reiko's shoes. Reiko tells Switch that she lost because of Switch's ability and Sket Dance. At a abandoned warehouse, Daisy in disguise appears in front of the Spider academy where a man bribes her for money or spread the photos of her shoplifting. Sasuke appears and punches one of the men. He states that he will capture them with proof of a video recording. A man grabs Daisy, but Daisy stabs the guy's eyes. Michiru strikes the ring leader. Michiru, Daisy, and Sasuke introduce themselves.
The student council
Unyuu and Sojiro appears, and the student council turns the men over to the cops. Shimada interview the student council. The following day, Bossun completes the Bossun tower, and Hime tells Kibitsu to take a picture. Suddenly, Sasuke opens the door by force which shatters the card tower.
Points of Interest
- Switch gives the limited edition figure of Futari wa Nervous's Marriage Blue to the fat otaku.
- The fat otaku loves long black hair moe and wants Reiko to dress as a gothic loli moe.
- Daisy is the nickname of Kikuno.
- Reiko Yuko's entrance is a reference to the Grudge or other horror movies.
Manga and Anime Differences
This episode covers volume 1: chapter 4 and volume 3: chapter 23.
Tsubaki gets stabbed
- In the Spider Association chapter, Tsubaki gets stab by the man. Daisy did not get threaten by another man. Compared the anime, Tsubaki does not get stabbed while Daisy gets seized by a man only to have his eyes poked by Daisy.
- Since the anime has Shimada looking for stories, the manga separates these chapters. Shimada only appears in chapter 4, Ghost in the Incinerator, but not chapter 23, Spider Association.
- Japanese Name: "Shōkyaku-ro no Yūrei" (焼却炉の幽霊)
- Manga Chapters: 4 of Vol. 1 and 23 of Vol. 3
- Opening Theme: "カッコ悪い I Love You" by French Kiss
- Ending Theme: "Comic Sonic" by The Pillows