Tokyo, Tomobiki Town. Lum, the gorgeous princess of the invading alien race of Oni is smitten with high school student Ataru Moroboshi. A dedicated womanizer, Ataru is unfazed by Lum’s fierce electric shock attacks and continues his daily hunt for pretty girls. With a host of other unique characters, including girl-next-door Shinobu, elegant shrine maiden Sakura, Lum’s best friends Oyuki, Benten, and Ran, Buddhist Monk Cherry, Ten, the little brat, heir to a wealthy family Shutaro Mendo and the masculine beauty Ryunosuke…it's a classic slapstick love comedy where anything goes!
Episode 1
To save Earth, unlucky Ataru must win a high-stakes game of tag against a beautiful alien. Luckily his friend Shinobu has offered a helping hand (in marriage) as motivation!
Episode 2
Ataru can run, but he can't hide — not from Lum, and not from the gorgeous shrine maiden Sakura's eagle eyes. She can tell at a glance that he's in dire need of exorcism!
Episode 3
Two's company. Three's a crowd. And when a FOURTH party enters the Lum/Ataru/Shinobu situation? Things get pretty scary in Ataru's already complex love life!
Episode 4
Lum ain't the only alien princess in town. The new arrival has her sights set on a certain boy — but her vassals are keeping a scandalous secret from their ruler!
Episode 5
Hellooooo, nurse! A new nurse just started working at Ataru's school, and she's a total babe… but wait. Does she look familiar?
Episode 6
They say all's fair in love and war, and that's why Lum drags Ataru kicking and screaming onto a battlefield!
Episode 7
A monster lurks in the depths of the hotel pool, but it's not half as creepy as the ne'er-do-wells lurking around Nurse Sakura at the beach…
Episode 8
Is Ataru seeing double, or are there really two hot new transfer students at school? And what does the super cute newbie Ran want from him and Lum!?
Episode 9
An ominous omen. A pessimistic portent. A scary sign. Call it whatever you want, but one thing is clear: Fate will not be kind to Ataru today!
Episode 10
Are aliens invading again? Nope — it's just Ataru, Meno and Lum’s mothers invading Parents’ Day! But a language barrier may turn this meeting of the moms into pure mania.
Episode 11
What’s this? A handkerchief? It smells divine, so it MUST belong to a total hottie. Definitely not a nightmare creature or anything like that. Ataru’s nose cannot be fooled!
Episode 12
Lum’s cousin Ten thinks Lum should look for greener romantic pastures! And if Lum can’t see reason, Ten will burn her relationship with Ataru to the ground.
Episode 13
The girls in class aren’t the only snacks Ataru has his eye on. When teachers crack down on off-campus snacking, a no-holds-barred snack battle begins!
Episode 14
All’s fair in love and… baseball? It’s time for a showdown on the baseball diamond! And once the dust settles, a “love letter” stirs up trouble.
Episode 15
Lum and Ran are friends, but one can best describe their relationship as prickly.
Episode 16
Ataru and his friends were supposed to have a fun beach trip, but they find themselves swept up in Ryunosuke’s family drama instead!
Episode 17
Ryunosuke teams up with three delinquents to help Shinobu ward off an unwanted suitor. Later, Ataru’s family must be careful what they wish for.
Episode 18
There is nothing suspicious about the lipstick Lum wants to put on Ataru. Nope, nothing suspicious at all. Later, Ataru’s class takes the dreaded Yaminabe food challenge!
Episode 19
Pro tip: never hurt an octopus’ feelings and never give an oni pickled plums.
Episode 20
Three punks challenge Lum and her friends to a duel after stealing Benten’s precious chain.
Episode 21
Lum and her friends worry the past will come back to haunt them. Later, Mendo’s life becomes much more complicated thanks to a voodoo doll.
Episode 22
Lum is quite the handful, no matter what size she is. Later, a shapeshifting fox takes a liking to Shinobu.
Episode 23
The finalists have different motives. Lum wants Ataru’s attention, Ran wants to get in Lum’s way, Shinobu and Sakura want the money, and Ryunosuke has something to prove.
Episode 24
Surely Ataru wouldn’t misuse bubble gum that has the power to create whatever he wants. But would that be worse than Lum losing the ability to speak other languages?
Episode 25
Ryunosuke grew up without a mother and wants to know more about her. Unfortunately, her father is keeping an important detail from her.
Episode 26
Lum has a new suitor, but it doesn’t take long before there’s trouble in paradise.
Episode 27
Relationship drama swiftly follows when Kurama sets her eyes on Rei. Speaking of relationships, Mendo discovers that he’s engaged to Tobimaro’s sister.
Episode 28
As Mendo desperately tries to escape his unwanted engagement, Asuka’s upbringing gives a whole new meaning to the term sheltered.
Episode 29
Life is full of unexpected events, like an extra lively kotatsu purchase and Lum believing she’s turning into a cow.
Episode 30
No good can come of Ataru and Ten switching bodies, nor using Lum’s shortcut to get to school on time.
Episode 31
Shinobu, Lum, and Ataru take an unexpected trip to the future. The good news is they discover who their spouses are. The bad news is their disappointment is immeasurable.
Episode 32
The trio are determined to find their ideal futures, but each one they find leave them unsatisfied. And Inaba’s coworkers are not happy with the group’s meddling.
Episode 33
Whether it’s an octopus or a girl burdened by regrets, spirits need assistance from the living. Unexpectedly, Mendo and Ataru find themselves navigating these burdens.
Episode 34
Whodunit? No one saw what happened to the principal despite all of them being in the same room. Later, chaos ensues when flowers start spreading rumors around town.
Episode 35
Lum finds herself in a race against time to save Ataru. Later, a certain fox seeks to recreate an old legend with magic horsetail shoots. Even later, Mark meets Lum's parents.
Episode 36
What kind of training is Mendo doing, anyway? Lum and Ataru are going to find out.
Episode 37
Asuka's mother hatches a plan to help her daughter overcome her fear of men. It appears that drastic measures are on the horizon.
Episode 38
Asuka and Mendo go on a date and to say things don’t go as planned would be a vast understatement.
Episode 39
Ryunosuke and her father are now the proud owners of a seaside cafe and an island after paying a suspiciously cheap price! Later, a fairy asks Ten to find his missing parasol.
Episode 40
Nagisa needs a kiss from Ryunosuke to pass on, which is easier said than done. Later, Mark threatens his class with supplementary lessons if he catches them talking.
Episode 41
Inaba returns and has an important question for Shinobu.
Episode 42
Ten must apologize for ruining Ataru’s scarf, but how? Later, candy hearts have the same effect as love potions. Meanwhile, the Dark Dominion lies on the horizon.
Episode 43
Lum is not happy when she learns she’s being forced into an arranged marriage thanks to her great grandfather.
Episode 44
Ataru and Mendo team up with Lum’s friends to save her from a forced marriage. But they aren’t the only ones who’re trying to stop the wedding.
Episode 45
What started as a misunderstanding ends in a falling out. Now Lum refuses to return until Ataru apologizes.
Episode 46
With the fate of the Earth on the line again, Lum and Ataru’s last game of tag begins.
