Episode 1: SuperGAL! - Get Going! -- Ran!
Ran, a first year high school student, is as cute as can be. The young hooligans have no idea how reckless and fearless she and that she is a really good fighter! As her daily exercise, she proves she skills on some of good-for-nothing students on the streets of downtown.
This kind of incident is what her brother, Yamato, is most afraid of. He is a policeman stationed in the same district where Ran and the other 'Gals' go everyday after school.
One day, Ran is surprised to hear that her classmate, Aya, is dating a stranger who is quite unbecoming to a girl like Aya. She is a honest and bright girl with fabulous grades in her subjects at school. She has never had a boyfriend. Soon Ran learns that Aya is desperate -- she is so lonely and wants to rebel against her stubborn parents. Ran scolds her for feeling this way and at the same time welcomes her as a new friend. Aya joins Ran's group, "The Strongest Ko-Gals" in downtown. (Note 'Ko-Gals' is the slang meaning for 'the young girls.')
Episode 2: Downtown Shibuya - Nerve Shaking! - A Drag Net!
Ran's father also a policeman, scolds for her happy-go-round life style.He tells she must try to seek out "good deeds" in her community. Ran tries to catch a shoplifter, but loses her in the street. This shoplifter turns out to be Yukie, another girl at Ran's high school. Using her cellular phone and Ran's name, Yukie extends an invitation to a man. When the man arrives Yukie's boyfriend, Takeru blackmails him. Consequently Ran is suspected of this blackmail. Then, Yuya, also a first year boy at Ran's school, helps her to corner Yukie and Takeru. Ran proves her innocence.
Episode 3: Gal's Heart - Beating! - Red Mesh Hair!
Ran's best friend, Miyu, receives a love letter. It is from a boy named Kenji Yoshida who has a bad reputation of being short-tempered and quarrelsome. When Kenji realizes Miyu has a boyfriend, he starts stalking her. Kenji thinks Yuya is Miyu's boyfriend and finding himself in the wrong place at the wrong time, Kenji attaches Yuya, and Yuya fights back but soon realizes he is no match for this muscular guy. Fortunately Ran rescues Yuya and her brother Yamato Kenji has a chance to do too much damage.
Episode 4: Good! Good! - Bad! Bad! - Luck with Boys!
Ran gets a bad prediction by the fortune-telling machine. She does no care about it. But, in downtown Shibuya, Ran pushes away a boy who keeps asking her for a date. He is the type of boy who Ran dislikes most. Ran meets a nice-looking boy named Tsukasa. Tsukasa tells her that he has liked her since the moment he saw her. Ran agrees to go on a date with him. Finding himself falling in love with Ran, Then, Tsukasa, falling in love with Ran confesses that the girl friend of the boy Ran pushed asked Tsukasa to approach Ran for revenge. This makes Ran furious and she vows to teach this wicked girl a hard lesson. Ran laments her bad luck with boys.
Episode 5: Aya's Heart - Falling Apart! - Breaking Off with Ran!
The exam is over. Ran and her group of Gals run out of school to the downtown gathering place. They come face to face with Mami and her group coming from another busy district in the city. It is an explosive situation! The worst outcome is avoided thanks to Ran's clever tactics, but only for the time being. Aya is shocked to learn her exam scores have fallen. She gets so angry about the disappointing results that she takes it out on everyone. Ran tries to consoles her but Aya threatens to break off their friendship. Aya then bumps into Mami's group! She is surrounded by the hostile gals from Ikebukuro, the other part of town. Suddenly Ran comes to her rescue and Aya apologizes for her foolish attitudes towards Ran.
Episode 6: Let's go to Pool! - Heart Bubbling! - Mini-Detectives!
Ran goes to the covered pool with Rei, the handsome boy from Eps.1, Yuya and her brother Yamato. While Ran is away, Mami tries to take over the leadership of 'Ko-Gals' in downtown. Upon returning to her territory, Ran challenges Mami to take back the leadership. Not one of the other girls is match for Ran. She is fearless and courageous,
Episode 7: Dark Shadow - Haunting! - Target is Miyu!
Miyu receives a letter threatening to reveal her past. Miyu was naughty and wild when she was in her middle school days. She was the leader of rebellious group. Dark memories come back to Miyu. This letter has been sent to her high school, too. Miyu is shocked and hurt. Ran and Aya comfort Miyu, but things seem to just get worse. One day, a girl from her past attacks Miyu.
Episode 8: Frightened Heart - Stinging! - Miyu's Past!
Harassment to Miyu is escalating through e-mails and Internet. Searching a culprit the best they can, Ran, Aya, Yuuya and Rei have a glimpse of a girl who belonged to the opposite 'ko-gal' group to Miyu's at the middle school. They learns that the group was crashed by Miyu. They guess the attacker would be one of the members of the group. Bingo! Finally the gal cursing on Miyu is spotted!
Episode 9: Memories - Tearing! - Sayo's kidnapped!
Sayo's free-choosing homework subject in summer is the experiencing study of a day with a policeman in downtown Shibuya. When Sayo is talking to her brother, Yamato at the police box, an armed robbery happens. Sayo and Yamato following the suspect and capture him. They tell him to surrender himself. The man refuses and tells a reason why he doesn't want. Sayo and her boy friend Masato make up a planŠ
Episode 10: Dear Yuuya! - Restless! - A Rival in Love appears!
Ran has got a boyfriend!? A surprising news that Tatsuki Kuroi alias 'Machida Sunboy,' won the honor of being Ran's boyfriend easily, spreads out quickly. Yuuya's shock is tremendous. Painted Gals and Mami and her group of gals in down town Ikebukuro also catch the news. Everybody is coming up to Shibuya!
Episode 11: Cross Shibuya - Tiki-Tiki! - Grand Prix Race!
Yuuya can not stand the fact Tatsuki is Ran's boyfirend. He challenge a race to him. Then, lots of boys want to join in this race. Thus, the race becomes an enourmous event in down town Shibuya! Who's going to win this rase, Yuuya or Tatsuki, or someone elseŠ?
Episode 12: Promise - Bye-Bye - "Kendo" Girl!
One of Ran's classmate at the supplemental lessons os Shiori Asai who is devoted her life for 'Kendo.' (Japanese sword skills) Her dream is to win the Inter-High School Championship. Ran is touched by her detemination and promise her that she will present a one-piece dress Shiori wants. Byt then, Shiori says she has to move to other school. Ran makes up her mind to do a big favor for ShioriŠ..
Episode 13: Super Young Lady! - Fuming! - Ran Herself!
After school, Ran and her friends go to a game center. When they finish games, Ran's changes suddenly into a perfect young lady with polite attitude and refined way of speaking. The exam is perfect 100 -- No fooling around Never going in downtownŠ! Aya and other pals are panicked. They don't know how they pull her back to the way she used to be. What on the earth happens to her?