Urusei Yatsura

Lum organizes a year end-party by transporting all the students into a historical world, where each student impersonates a different historical character from Japan and abroad.

Ataru, Lum and many of their friends play different historical Japanese characters in a fantastical country setting.

Onsen's had it with his students' shenanigans, and he's threatening weekend detention if they make so much as a peep in class. The class is determined to avoid detention at any cost, even as Ten shows up to harass them.

Lum's father got kicked out of the house for greedily eating both his and his wife's food. He has to crash at the Moroboshi's on Earth until things blow over, but now the big guy's eating them out of house and home.

Ataru and Lum plan a ski trip. Naturally, she's happy to go wherever he goes if it's just the two of them. However, Ataru has other plans when they get to the slopes. His classmates find out about their trip, so they follow Lum and Ataru.

Ten unwittingly accepted a small girl as his true love by accepting her chocolate in Valentine's day, and Lum and Ataru prove to be only more trouble for him.

Two special balls, one for men and the other for women, when looked into will show a person their fateful life mate.

Ryoko invites everyone to a masquerade ball. The prize for what appears to be best costume at said ball is a kiss from Ryoko herself. She doesn't tell them that it's actually a masquerade-combat ball. It's exactly what it sounds like.

Lum catches an alien cold virus from her father and goes to school wearing a face mask. Pervert classmates pay Ataru to bring the mask to them in order to virtually kiss Lum by wearing it, but they didn't account for the consequences.

Ataru, Lum, Shinobu, and Mendo meet an eccentric man and his son Ryunosuke at a beach shop, and their interference in their violent family business causes the two to move into Tomobiki High School.

Ataru confides to Megane that he is giving up, and has chosen him as successor. Megane is elated as he imagines having Lum all to himself. Shinobu, having overheard their conversation, imagines that with Ataru out of the picture, there would change in the class' balance of power would result in her losing Mendou to Lum, causing repercussions far beyond Tomobiki High.

The new girl in school, Ryuunosuke, who was raised and still dresses as a boy, becomes infatuated with Ran and asks her out on a date, which Ran agrees to not knowing Ryuunosuke is actually a girl.

Lum and Ataru's relationship becomes strained after she forgets his birthday.

A few of the school students go camping, but due to Lum's cooking being too spicy for human consumption, they have to search for another source of food, which lead them to a magical place.

Now that she's no longer bound by Ataru's kiss, princess Kurama is looking for a beautiful man and sets her eyes on Ryuunosuke, so her team of wise crows sets out to turn Ryuunosuke into a man.

Ataru, Lum, Mendou, Shinobu, and Ten are invited to a creepy old seaside inn for dinner. Little do they realize that they are intended to be dinner.

Mendou's childhood rival Tobimaro Mizunokouji appears to challenge him to the ultimate baseball game, and Mendou's sister, Ryouko, who has maintained a crush on Tobimaro, will help him win by any means necessary.

Shinobu gets entangled in the intrigue of a recently deceased billionaire's adopted son and siblings' rivalry over inheritance.

Ataru writes and directs his first movie starring Lum, after getting his classmates to pitch in to fund the project. But after running out of ideas, he gets multiple students to participate in front of the camera, and chaos ensues.

After his parents leave for a three day vacation, Ataru and Lum spend a hot summer day in his house, which somehow evolves into a psychic fight between Sakura and Cherry.

Teacher Onsen tells Ataru's class about the seven school ghosts and the legend of the deadly spirit of the school's willow tree. Ataru unknowingly incurs the wrath of the tree, and all types of shenanigans follow at school late at night.

Ataru and ten of his school friends and teachers are invited by a mysterious person to a remote island, where they begin to get killed one by one.

Jariten's mother comes to Earth to visit him, but he's absolutely terrified. His mother is a dedicated firefighter, responds to fire bells almost instantly, and deals with arsonists and pyromaniacs with sadistic brutality.

Ataru gets accidentally poisoned by Ran, and Lum has to venture into a strange world through a space portal to find Ran and ask for an antidote.