"Ranma 1/2" is a comedic martial arts anime series centered around Ranma Saotome, a skilled martial artist who suffers from a peculiar curse. During a training journey in China, Ranma falls into the cursed springs of Jusenkyo, which transform him into a girl when splashed with cold water. Hot water reverses the transformation, but the curse persists, leading to frequent and often chaotic gender-switching. This curse becomes a central element of the series, driving much of its humor and conflict.

Ranma returns to Japan to live with his father, Genma, who also fell into a cursed spring and transforms into a giant panda when exposed to cold water. They stay at the Tendo Dojo, run by Soun Tendo, an old friend of Genma. Soun has three daughters: Kasumi, the gentle and responsible eldest; Nabiki, the cunning and money-minded middle sister; and Akane, the fiery and tomboyish youngest. To unite their families, Genma and Soun arrange an engagement between Ranma and Akane, though both initially resist the idea. Despite their constant bickering and misunderstandings, Ranma and Akane develop a complex relationship that evolves over the series.

The narrative is episodic, with most episodes focusing on Ranma's attempts to navigate daily life while dealing with the curse, rival martial artists, and various romantic entanglements. The series introduces a wide array of characters, each with their own quirks and comedic traits. These include Shampoo, a Chinese Amazon warrior who becomes infatuated with Ranma in his male form and seeks to eliminate Akane as a rival; Mousse, Shampoo's jealous and shortsighted suitor; Ryoga Hibiki, a rival martial artist with a curse that turns him into a black piglet; and Kuno Tatewaki, a delusional kendo practitioner obsessed with both Ranma's female form and Akane.

Themes of identity, gender, and relationships are explored through the lens of slapstick comedy and exaggerated martial arts battles. The series balances its humor with moments of character growth, particularly in the evolving dynamic between Ranma and Akane. While the overarching plot is minimal, the episodic structure allows for a variety of comedic scenarios, ranging from absurd competitions to misunderstandings fueled by Ranma's curse. The series maintains a lighthearted tone, with occasional forays into more heartfelt or dramatic moments, but always returns to its comedic roots.