This episode opens with a baseball game and Ataru getting hit with a left field flyball. Ataru is soon escorted home ...

This episode opens with Ataru friends Megane and Lum's Stormtroopers at school who are watching films of the tag game...

This is the first episode with Jariten, Lum's cousin. Jariten arrives in a giant peach and he and Ataru are enemies a...

This episode opens with Lum putting on makeup to go meet Darling at school. A swallow swallows some food Jariten give...

This show features the first appearance of Rei, Lum's former fiance. This episode opens with Ataru in his room watchi...

Ataru, Megane, and friends are going to a Gyudon restaurant for lunch and are quite shocked to see Rei munching down ...

First episode with Kintaro, the vicious little boy with the pet flying bear and the red haired alien nanny. Lum and J...

Kintaro's nanny, with Ataru's help takes the alien children on a tour of Earth and a Earth child's school. Ataru tell...

First appearance of Sakura, The Shinto maiden. Ataru can no longer endure Lum, so he has gone undercover. Unfortunate...

Arriving at school one morning, Ataru is greeted by all boys in the school who are waiting for the new nurse, Sakura,...

Ataru is phoning Shinobu in order to make plans for a date, when Lum interrupts and get's Shinobu mad at Ataru. Ataru...

Walking home from school, Ataru is assaulted by a group of black cats and gets a nasty bump on the head. At midnight,...

Cherry gives Ataru some yellow ribbons which when tied to her horns, negate Lum's powers. In order to coax Lum into w...

After an odd loss of control of his body after dinner, Ataru finds out Lum has some clay for making voodoo dolls. Ata...

First appearance of Oyuki, Lum friend and queen of Neptune. Oyuki also has incredible ice powers. Megane and friends ...

While Ataru is flying an ultra-light, with Lum and Jariten tagging along, Kintaro crashes into him. With the help of ...

First episode with Kurama, the karas-tengu princess. On a field trip, Ataru and friends accidentally meet a karas-ten...

Kurama uses a weird dimensional door to try and cure Ataru of his lechery. Inside the door, Ataru faces hostile versi...

Megane and Lum's Stormtroopers set up a plot to embarrass Ataru and get Lum to leave him at the same time. They set u...

Megane and Lum's Stormtroopers set up a plot to embarrass Ataru and get Lum to leave him at the same time. They set u...

First appearance of Mendo, the rich noble; but it is not until episode 27 that he really does anything. Mendo tells a...

First appearance of Mendo, the rich noble; but it is not until episode 27 that he really does anything. Mendo tells a...

First appearance of Tsubame, Sakura's boy friend who has some magic abilities. Sakura invites Ataru, Lum, Shinobu, Me...

Kurama takes Ataru back in time to help her father who appears to be afraid of women. Later Ataru and Kurama's father...

Ataru, Lum, Shinobu, Sakura, Megane, Cherry, and others are staying at a beachside resort. During the day, an octopus...

Still at the resort, the group meets some maniac who is having an all-you-can-eat contest. Sakura reveals the secret ...

Mendo returns for a formal introduction on his first day at school. He and Ataru have a duel for presidency of the cl...

Lum's computer tells her that Mendo is really the best choice for her lover, so she brings a set of constellation sca...

First appearance of Benten, Lum's best friend the goddess. Lum takes Ataru to another planet to help in a battle agai...

Match Benten and her girl biker friends come to Earth for another round of fun. Ataru sides up with Benten again, and...

Ataru and Kuribayashi are enemies from the very start. Then Lum shows up and Kuribayashi falls in love. Finally Lum g...

On a day when students mothers come to school, Mrs. Mendo and Lum's mother get into a dispute and Mrs. Moroboshi acts...

Mendo bring an antique camera to school that sends Ataru off into other worlds. Lum manages to find him through a cla...

Every morning, Ataru goes jogging early to see girls. On the way to school, Ataru breaks the fall of an attempted sui...

First appearance of Ran, Lum's childhood friend. During a small celebration at the Moroboshi house, a little doll enc...

Ran invites Lum, Ataru, and Ten over for cookies and tea, but her real plot is to suck Ataru's youth. Ran makes a dou...

Lum acquire's Ataru's diary that has written in events that will happen throughout the day. Ataru tries to use it to ...

Mendo finds an alien child in his locker and goes through great lengths to hide it from everyone. Later after everyon...

During math class, Kuribayashi and all the students fall asleep, save for Ataru and Mendo. Lum arrives and finds out ...

Lum, Mendo, Shinobu, Ran, Ten, Sakura, and Cherry all are in a blossom orchard for some traditional reason. Ataru is ...

Ataru eats a lollipop Lum gave him and gets a mouth burn. Running off, he finds Cherry and a weird melon, which Ataru...

Sleeping in class, Ataru has weird dreams which he relates a little of as he occasionally talks in his sleep. Annoyed...

Lum returns to her home planet unaware that her father is throwing her a matchmaking party. Ataru (who knows about th...

Lum returns to her home planet unaware that her father is throwing her a matchmaking party. Ataru (who knows about th...

On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave...

On a class field trip, Ataru journeys to an underwater kingdom; and Ataru, Lum, Shinobu and Mendou get lost in a cave...

Ataru and Ten switch bodies after wearing some kind of special earmuffs.

Ataru becomes the owner of a white caterpillar that Lum's Stormtroopers gave him as it eats a lot more than ordinary ...

Ten has an unrequited crush on Sakura.

Dracula wants to suck the blood of a beautiful young girl and his target is Lum.

Lum travels back in time in order to meet a younger Ataru and cure his libido.

Ataru and Ten compete for the attention of the pretty female proprietor of a flower shop.

The gang meet Tsuyuko, a girl who seems to bring rain wherever she goes.

Ten's horn falls off during a fight with Ataru, leaving him weak and unable to breathe fire. Ataru wastes no time in ...

Chaos ensues at the library after the characters in the books start coming to life. Wendy Darling (from J.M. Barrie's...

Mr. Hanawa found employment in Ataru's school and at the same time, Lum gets enlisted into it.

A goblin who is living in Mendo's private pool has been shooed out and is trying to find a new home.

Remembering how Lum always got her in trouble when they were younger, Ran devises a new scheme to suck away Ataru's y...

Rei appears and causes an uproar by eating everyone's lunch, and Ran tries her best to win him back.

On a cool evening disco dance held by the students at Tomobiki High School during summer break, a mysterious man come...

Things go wrong when Lum tries to make copies of Ataru in order to protect him from Ran's vengeance.

Lum and Ataru go on their first date together after Lum watches a television program that makes her realize her relat...

Lum, Ataru, Shinobu and Mendo spend their summer vacation at the seaside. First they provoke the wrath of a watermelo...

A typhoon strikes Tomobiki and floods the Moroboshi household, but Lum has some inventive ways of helping her Darling...

Lum and Ten get drunk from eating umeboshi, and Lum begins flying around terrorizing Ataru's classmates in order to g...

During one of the cats' mating season, Ataru, Lum and Ten meet a beautiful female cat-like humanoid.

Lum's Stormtroopers throw Lum a party, but Ataru spoils it by yelling at Lum and accusing her of ruining his life. Lu...

Lum's friends from outer space plan a surprise class-reunion party for her, but an unaware Lum can't understand why h...

Lum, Ataru, Shinobu and the rest of the Tomobiki student body - except for Mendo and his small gang of "good kids" - ...

Ataru, Lum, Mendo, Shinobu, and Jariten all go on a picnic to a remote part of Japan which has some fossils. A group ...

Kurama has her subjects place her in suspended sleep again in the hopes that some prince may awaken her.

Ten has gotten cavities. However, these cavities can be cured by biting 10 people and spreading the cavities to other...

Mendo's manipulative and dangerous younger sister, Ryoko, is introduced.

Kotatsu-neko is introduced.

Ataru helps a wounded bird who transforms itself into a raccoon and moves in to repay the service to Ataru.

Ataru finds the perfect part-time job - a washing attendant at a bathhouse - which he excitedly anticipates as being ...

When Lum plans the class's end-of-year party, Ataru explains that New Year's is when you forget who you are. He's a b...

The normal cast is again put into an ancient Japanese story with Ataru as a food thief with Onsen-Mark and Cherry as ...

After he's pelted by snowballs by Ataru and his friends, an annoyed Ten plans revenge on Ataru during class after Ons...

Lum's mother boots father out of the house, so he comes to stay with Lum.

Lum gets Ataru to go on a ski trip with her, but Mendo, Shinobu, and Lum's guards find out and tail along to cause st...

Ten becomes the new Ataru when he mistakenly gets another girl to marry him, but tries to escape so he could see othe...

Ten orders two special balls called Love-Love Catchballs that supposedly show a person's future love, one for each ge...

Ryoko plans a masquerade "party" (which is actually a tournament of sorts) to get closer to Ataru, but her brother Sh...

Lum catches a cold from her father, which soon spreads across the entire male student body at Tomobiki High.

After their beach shop is ruined by their fighting due to Ataru and co.'s interference, a father and his "son" Ryunos...

Ataru talks to Megane one day about handing over a "position", which Shinobu overhears, thinking that he's planning t...

Admiring Ran's feminine beauty, Ryunosuke goes out with her in an attempt to become more feminine, but everyone else ...

When Ataru flips out over Lum for forgetting his upcoming birthday, she goes absent from school for days and only com...

After enduring Lum's ultra-spicy dinner on a camping trip, Ataru, Mendou, Megane, and Perm head off to find food (wit...

Ataru is changed into a girl by Kurama's tengu henchmen after they try to use a cannon to change Ryunosuke into a man...

After Ataru, Ten, and Mendo fall for a beautiful woman's love letters - which end up luring them (along with Lum and ...

Mendo's rival Tobimaro Mizunokoji returns, and the two decide to settle their baseball rivalry once and for all.

Shinobu gets involved with the rich Kobayakawa family's youngest son, the adopted Makoto, whose father recently died....

Ataru is the producer/director of a film for school. At first it only involves him, Lum, and the Stormtroopers, but i...

Ataru and Lum are left home alone when his parents leave for three days, and Lum locks Ataru inside of his own house!...

Onsen-Mark tells the class a story of a cursed willow tree, which Ataru finds a load of fluff and ends up releasing a...

Ataru, Lum, Shinobu, Mendo, Onsen-Mark, Sakura, Cherry, and the Stormtroopers have a stay at a mansion, where they ar...

Ten's mother, a firefighter, comes to visit her son on Earth. Ten must keep his fire-breathing a secret from his moth...

When Ataru gets poisoned by one of Ran's cupcakes, Lum rushes into a magical world to find an antidote for him before...

An accident at the mall causes Ataru's mother to become unconscious. During this time she begins to have nightmares.

Ryoko holds a "Summer Xmas" party, where everyone must come in male-female pairs. And the main attraction is a gigant...

Ataru, Lum, Mendo, and Shinobu stay at an inn and meet Otama, a scaredy-cat ghost who tries (and fails) to out-scare ...

Ryunosuke tries to recall what her mother was like, and her father doesn't help her at all in this endeavor. A new ey...

Thanks to Ten's Core technology, he, Ataru, and Mendo make three Sakura sand dolls come to life. Frustrated, Lum goes...

Tired of being defeated recently by Ataru, Ten goes into training with the help of Cherry and Lum to defeat his arch-...

On holiday at Mendo's family's mountain lodge, Lum, Shinobu, Ataru and Mendou are attacked by crazed Tororo yam filli...

Lum, Ran, Benten, and Oyuki find out that their old teacher, a giant, robot chalkboard eraser named CAO-2, has come t...

Ataru, Lum, Shinobu, Mendo, and Ryunosuke go back in time to when Mendou was an obnoxious, violent kid to cure him of...

A batch of matsutake mushrooms from Cherry turn the Tomobiki High student body and staff alike (except Lum and Cherry...

After Ten burns Lum's scarf she made especially for Ataru, he's forced to do something he's never really done before ...

Ataru's parents head away for an overnight trip to Atami, leaving Lum and Ataru in the house together. Ataru dreads t...

Onsen-Mark is given the task of making "a woman" out of Ryuunosuke.

A contest is held in Tomobiki for Miss Tomobiki, with a reward of 150,000 yen for the winner. Candidates include Lum,...

Ataru has a literal out-of-body experience when he eats a strange potion shaped like a fish cookie from Cherry.

Mendo talks to Sakuranbo about Ataru's possible weaknesses in this clip show episode.

After saving its life three times from Ten's antics, a snowman spirit awards Ataru with a late night dinner, taking t...

Cherry tells Ten a fairytale that's basically a giant mishmash of Japanese children's stories, featuring Ataru and Lu...

Ryunosuke is blackmailed into going on a date with Shinobu to obtain a bra, which she's always wanted to wear.

A trio of middle-school space girls steal Benten's chain and then challenge her, Lum, and Oyuki to fight them.

Ran tries to clone Lum to get revenge on her, but it doesn't work quite as planned.

Megane deals with a tough, fast-eating "fast-food costumer dragon" named Ryuu at the noodle shop he works at, who cri...

Ataru and Mendou get locked in the latter's giant safe, where they slowly go mad when the place starts flooding and t...

Ataru takes a bath at an old-fashioned sento (along with Cherry), where he tries to peek on the girls' side, where Lu...

Sakura literally re-meets her childhood when Cherry slips her a pill that makes her childhood self appear, who wants ...

In the series' second clip show, Ran gets video tapes "highlighting" her unhappy childhood, as well as previous episo...

Ataru recounts how he met Sakura, and how she ended up as the school nurse of his school. This is intermixed with cli...

Episode 1 of a 2-episode serial. Ataru and Lum get into an argument, with Lum going to her UFO to sleep that night. B...

Episode 2 of a 2-episode serial. Despite their best efforts, all of Lum's Stroomtroopers except Megane have been kidn...

During Hanami, Ataru snaps a tree branch and somehow causes a rip in dimensions, sending Lum to a parallel world. Her...

Ryunosuke loses the cloth that wraps up her breasts, but decides to not buy a new wrap when she's finally treated lik...

Ran tries to win Rei's heart literally through his stomach. And while she doesn't succeed, she does manage to get an ...

Lum is sad that she's never kissed Ataru, so she invents a lipstick that makes whoever wears it to kiss anyone else w...

A mysterious monster is causing strange events in town. Mendo figures out what the monster is when all of his octopi ...

Benten drops in to Tomobiki High, making friends with Ryuunosuke, leading to crime-fighting, kitten-saving adventures.

Ran upsets Oyuki and relives a traumatizing childhood experience with an angry Oyuki. The song "Magical Mystery Tour"...

Ten meets a lovely little girl, only to find their time together is all too brief. Also in this episode: sumo wrestli...

Mendo's elderly grandfather requests Shutaro find the secret family treasure. Unfortunately for Shutaro, his classmat...

Possessed accessories bring three of our heroes to a spiritual fight to the... nap time.

Lum and Ataru are both bitten by a cow in a pet shop. Shortly afterward, Lum's horns begin to grow and resemble a cow...

Megane convinces everyone to help him make a film starring Lum.

Sakura's wand needs a recharge, leaving an opening for all the ghosties!

Ten gets a lesson once again about Oni candy and Earthlings while Ataru and Mendou's relationship develops to new lev...

Kurama returns to find her mate. Instead she meets her match.

How can little Kitsune repay Shinobu's good deed?

A beach town frantically searches for the food-thieving goblin as Ryuu is once again plagued by her past... and her d...

Ataru's ghost story becomes all too real when no matter how hard Lum tries to stop it.

The gang helps Pochi rescue his beloved blowfish from the sharky kidnapper.

Ran's lost konpeito-like supernova fragment causes quite a ruckus for Tomobiki High. The song The Fool on the Hill by...

Pear-consciousness brings everyone in class closer to Ataru.

Ten learns the difficulties of being the righteousness of the universe when he gets powers from a salary-man superher...

The Planet Middle School Girl Gang is back to get revenge on Lum. However, she's too distracted by Ataru's propositio...

Lum finds an alien way to motivate everyone to do their best at the talent show.

Ryoko harnesses the power of voodoo and gives Ataru a voodoo doll effigy of her brother Shutaro, who unintentionally ...

Episode one of a two-Episode Serial. Shutaro is forced into an arranged marriage with the heavily armored Asuka Mizun...

Episode two of a two-episode Serial. Her armor now gone, a terrified Asuka runs away from Ataru, Shutaro, and even he...

Inspired by a movie about a fox using a spell to turn a human girl he loves into a fox like himself for one night, Ki...

Ran and Lum learn a valuable lesson about spreading rumors after Ran's talking flowers (named Ryuugenvillias) spread ...

An accident causes an egg to be attached to Ten's body. The egg hatches and reveals a strange bee-like creature who p...

Lum learns just how much she needs her powers.

Ninja Kaede seeks a new life in the city.

Texas Chainsaw Tomato Massacre at its finest.

Mendo's New Year's party takes a delicious, spongy turn when Ryoko hears about it.

The gang lands on an island where "poison" literally makes one's dreams come true.

Once again, everyone is taught that Oni eating human food and humans eating Oni food is a drunken disaster.

Ataru learns the importance of happy thought thanks to a fairy.

Everyone learns about eating other people's dreams.

Ginger, Pepper, and Sugar return to their old tricks to break up Lum and Ataru.

Kotatsu Cat proves himself to be true to his name by catching the ever-running Kotatsu.

Ryunosuke's father tries to bring Masako to Ryunosuke's life with lies and trickery.

Oyuki's cold is unlike anyone's on Earth. It's far more literal. The only cure can come from a cat.

Ten finds a new friend in a blowfish and brings havoc to Tomobiki with a blowfish and Oni candy.

At the demand of her mother, Asuka faces her fear of men in a visit to Tomobiki High School after her love crushes he...

Ataru drinks a can of eye drops Lum left in his room, thinking it was juice. Because of this, everyone ends up having...

Ran cooks an Oden with love mushrooms to Rei, but Kotatsu Neko eats it. NOTE: Mendo and Ataru make brief appearances.

Mrs. Mizunokoji has Mendo and Asuka go on a date on their estate, but Ataru interferes to scare Asuka. Asuka goes on ...

A priest shows up and rings Ataru, Shinobu, Ryu, Lum, Mendo, and Sakura to a great bell in a shrine.

Jariten finds part of a love locket Lum and Rei got when they were going together. At a birthday party for Mendo's fa...

A middle-aged man and his daughter opens up a teahouse which constantly becomes the scene of many fights between Tomo...

A ghost girl who fell in love with Ataru while she was alive wants to have a date with him. She spent most of her lif...

Kitsune goes to Tomobiki High School and bring the class back to his class in the woods on a flying bus.

At the beach, Ataru, Mendo, Shinobu, Lum, and Ryu are trying to attract customers for the Hamajaya restaurant, but Mr...

Benten comes to visit Lum and again meets Ryunosuke, but Mr. Fujinami is trying to convince Benten that Ryu is a boy.

Jariten buys a magic bottle that can shrink anything down to fit inside it.

Discipline in school raises to a new peak because of the disturbances caused by the arrival of packages from space fo...

During a fight between Ataru and Ten at breakfast, Ataru misses Ten and hits Lum with a rice cooker, causing her to f...

Jariten gets a fever from staying in the sun too long and the cure is to be made very cold.

Ran gets sick and asks Lum to come over by sending Lum exploding dolls, missiles and the like.

An apparition of one of Shutaro's favorite octopi appears on his head and cannot be removed.

A space centaur comes to Earth where he takes the guise of Ataru and tries to kiss every girl in school, but fails.

On a spaceship near Earth, an alien is cleaning a special food bowl and drops it.

It's a hot summer day, and the heat is bothering everyone except Lum.

Lum buys a plant that grows a little cupid. She then gets the cupid to try hitting Ataru with an arrow.

Ten's mother visits and Jariten wants to give her a bouquet of carnations to show his love for her.

An escaped alien convict, a bluebird, come to Tomobiki and begins to grant people's wishes.

Ryunosuke has a final showdown with her father. If she wins, she gets to wear her mother's bathing suit.

Kitsune comes to Tomobiki High School during a costume festival to see Shinobu.

The three scamps from Lum's old school are trying to one-up Lum's gang again. This time, they choose animals to match...

Ryunosuke's father hatches a scheme to solve Hamachaya's finances while Mendou accidentally invites everyone to a bea...

After Ataru’s father is hit by a semi, the Moriboshi family’s financial situation grants them three wishes by a falli...

Lum receives a frog via special delivery, and intends to kiss him despite Ataru's objections.

Sakura is possessed by a spirit spirit in order to properly exorcise it, but is tempted to go binge drinking before s...

Sakura starts a yoga class, and the main characters all attend. They engage in “multiple-person yoga” to cleanse thei...

Onsen is leaving, and Lum organizes a goodbye ceremony. Before he goes, he has unfinished business to attend to… name...

Sakura must overcome Lum’s home-made soap in order to be with her true love. He mistakes her slippery nature for disi...

Asuka will not stop flirting with her brother, so her mother makes a desperate wager with her: if he defeats in Asuka...

Lum and Ataru visit the shrine and make very different wishes, which both come true, in a way. Different dimensions a...

The Mendo family uses the main characters as unwilling pawn-like pieces for a family game.

Ten is asked to retrieve an umbrella by a creature that lives in another dimension.

Shinobu makes a deal with Ataru that she’ll go on a date with him if he comes in first on one of the upcoming exams. ...

Sakura makes medicine that Lum and Shinobu give to Mendo and Ataru. The medicine makes them delusional, but very crea...

Onsen-mark must brave the families of some of his worst students in a round of home visits.

The main characters are forced to undergo meditation as punishment for their classroom disruption. Ran creates a gian...

The little fox that loves Shinobu hears a tale that implies that if you grab an Oni's horn, you will win your true lo...

Another suitor has swung in to Lum's life, and he's immune to electric shock.

Ran's latest revenge scheme involves a control button in an attempt to take over Ataru's life.

It is a repeat of episode 44 ("After You've Gone") with a special introduction and best episode countdown before the ...

Every character from the show makes an appearance as the school attempts a retelling of a classic Japanese tale.