This show doesn't care if you're invested in the plot. It throws you into 195 episodes of pure character chaos where Ataru's endless schemes to dodge Lum's electric shocks matter less than watching him fail in increasingly ridiculous ways. The real anchor is how the ensemble keeps growing, each new weirdo who lands in Tomobiki High becomes another angle for comedy, another reason to rewatch and catch what you missed. The animation is dated enough that it stops trying to impress you, which somehow makes the humor land harder. You're watching the blueprint every rom-com anime copies, except the original knows exactly what it's doing and refuses to take itself seriously for even one episode.

Ataru Moroboshi is a perfectly ordinary high school pervert until alien invaders show up threatening Earth: humanity's fate comes down to a single game of tag. Chosen at random to represent the planet, Ataru finds himself chasing the alien princess Lum, daughter of the invaders' leader. She can fly. She shoots lightning. He's completely outmatched. But somehow, he wins. The trouble starts when Lum mistakes his vow to marry his girlfriend, Shinobu Miyake, for a proposal to her. Now this electric-powered alien girl in a tiger-stripe bikini calls Ataru her "darling" and moves in with him. He must keep Lum happy while his relationship with Shinobu falls apart, all without giving up his habit of flirting with every woman he meets. What unfolds is a romantic comedy that swings between goofy sci-fi hijinks and genuine emotion.