Yeah sure, there were bad episodes, over 7 season that was inevitable, but the lows were few and far between. The highs, wow, the highs would leave you soaring. The characters develop so well over the seasons and not one of them survive the series untouched by the events that happen.
From the laughs of Doppelgangland, to the tears of Passion, the emotions range through other standout episodes, Innocence, Becoming, Helpless. Watch and feel as people fall in love and then have their hearts ripped out as they lose the ones they love and understand the things they do to cope with it.
Watch, without the distraction of sound the fabulous episode Hush, and sing along with Once More with Feeling.
Along with providing strong female role models, look slightly deeper and find the serious issues dealt with, or just watch for some vampire dusting action. Either way you will enjoy this serious.
Back in the time when syndicates were more interested in good storytelling then reality tv, the greatest tv show ever was created. It was called Buffy the Vampire Slayer.