Cursed to turn into a girl whenever splashed with cold water, and unwillingly engaged to the rather temperamental and violent Akane Tendo, 16-year-old Ranma Saotome's life is anything but ordinary.
Furinkan High's principal returns from a long trip to 'study' American educational system, unfortunately he turns out to be completely insane. His first order of business is to institute a policy of buzz cuts for boys and bowl cuts for girls unless the students can find the coconut with a 'get out of rules free' note in it...
To help him carry out his new position as Furinkan High's Moral Guardian, Kuno turns to Happosai for training.
Furious at Ranma for delivering him into the hands of a mob of angry women, Happosai brands Ranma with ancient mark, causing him to become 'as weak as a mere babe'. Upon hearing this, his enemies start lining up to give him a beating... What's poor Ranma to do?
Just as Ranma is about to give up, Cologne gives him hope in the form of the 'Hiryu Shoten Ha', a devastating technique he can use even in his weakened state... if he can manage to learn it.
Armed with the 'Hiryu Shoten Ha', Ranma goes after Happosai. But the old master, knowing something is up, keeps his temper, rendering the attack useless unless Ranma can figure out some way to get him really worked up...
A mysterious woman shows up at the Dojo, having long conversations with Genma. Is it really Ranma's mother, come to take him away to live with her?
Alone in a cabin in the woods, Ryoga sits pondering the nature of his relationship with Akane.
Shampoo shows up with an oversized bell for Ranma, claiming it'll make them fated to stay together forever. The bell however turns out be cursed, carrying the spirit of Maomorin - the giant ghost cat, looking for his bride.
The Principal hires a new teacher, who takes it upon himself to get Ranma and Akane to openly express their feelings towards each other while they're still young.
A young man is awestruck when he sees Happosai in action, and seeks out the Tendo Dojo, wishing to become a student of Anything Goes Martial Arts. The master accepts, and it soon becomes apparent that he's a very dedicated pupil... at bit too dedicated if you ask Ranma.
Off to the mountains to find a Christmas tree for the Master, Ranma and Genma become separated. When Ranma and Akane go looking for him, they find him living in luxury as a panda, having been adopted by a rich woman as a playmate for her sickly son.
Ryoga decides to try to enroll at Furinkan High, though first he has to pass the placement test. Akane agrees to tutor him, but with all the commotion that happens in the Tendo Dojo on a regular basis, can he manage to keep his mind on his studies?
Happosai falls head over heels in love with a pre-school teacher, but is he willing to give up the underwear stealing for her sake?
A fortunetelling friend of Sasuke's divines that Nabiki is the girl Tatewaki is destined to spend his life with. Still torn over having to abandon Akane and 'the pig-tailed girl', Kuno starts to court Nabiki, who naturally welcomes the opportunity to milk him for everything he's worth.
After sharing his food with an old hermit, the man repays Ryoga by making him the strongest man in the world. But is it worth the price?
Terrified that Akane has figured out that he's really P-Chan, Ryoga tries to leave the town forever. Ranma continues to try to figure out a way to beat Ryoga, while Akane tries to force him to tell her what he knows about the mark shared by Ryoga and P-Chan.
Kasumi seems unusually cheerful after a chance encounter with a stranger, leading Nabiki to speculate that she's found herself a new boyfriend.
Kuno's got a magic sword capable of granting 3 wishes, and Ranma smells a cure for his curse. The 'upperclassman' has already used two of them... How far is Ranma willing to go to get the third?
Ranma suddenly falls head over heels for Shampoo when she ties him to her with the magical Red Thread of Fate. Just a few more hours and the effect will be permanent, and Akane doesn't care one bit... does she?
After betting it all on a final fight with Ranma, Mousse loses and is forced to give up on Shampoo and go home to China. But before he leaves, he's determined to make Shampoo happy by forcing Ranma to give up his other suitors.
10 years ago, Ranma gambled away the Tendo Dojo. Now the 'Gambling King' has come to collect, and Ranma has to win it back. However, in spite of his name, the King is so bad at gambling he only manages to beat children. Sadly, that provides little comfort as Ranma's even worse...
Azusa becomes convinced Kuno is a tanuki, a legendary creature with magical powers, and promptly adopts him as her 'Marianne'. Ranma and Akane are just happy that the two are keeping each other busy, until Azusa starts to suspect Akane wants to take her new pet away form her again.
Akane runs away after Ranma ruins her anniversary dinner, and the entire household has to spend the rest of the night looking for her.
Honorbound to remain single until their big sister marries, Ling-Ling and Lung-Lung return to Japan armed with an even deadlier technique, determined to eliminate all of Ranma's other fiancees.