"Into every generation a slayer is born: one girl in all the world, a chosen one. She alone will wield the strength and skill to fight the vampires, demons, and the forces of darkness; to stop the spread of their evil and the swell of their number. She is the Slayer."

Unless you’ve been living under (or on) the Hellmouth, you’re probably aware that this week marks the 20th anniversary of Buffy the Vampire Slayer. This little TV show that could, born from an ill-received flop of a movie, reemerged as an expected to fail mid-season replacement. What followed, though, was seven seasons of some of the best storytelling that ever graced the small screen. And although not every season was equally beloved, each one still had more than a handful of standout episodes that, like Buffy herself, were destined to become legend.

Read on to find out what I think were the single best episodes from every season of Buffy the Vampire Slayer.