Sayonara Zetsubou Sensei series - A story about a teacher who want's to die and he's saved by a girl. It turns out he will be a teacher of class full with problematic students. The weirdness, it has plenty of weird stuff, comedy stuff and even some existential stuff. Cowboy Bebop - kinda old but still looks nice, cool characters, cool action scenes and that space jazz vibes, see you later space cowboy. Samurai Champloo - Samurai Rap, old but gold like Cowboy Bebop, story about a party of three. One girl who needs help from two samurai, wicked samurai fights in the rythm of rap. GINTAMA - Oh boy, oh boy, dat a perfect anime. Gintoki, Megane-kun(Shinpachi), Kagura it's a story about daily life of Yorozuya members, episodic anime, plenty of comedy, parodies, sad moments, awesome action, and even BELIEVE IN MY RECOMMENDATIONS!