We've skipped ahead quite some way through Buffy to an episode with some pretty big tonal shifts. It's a bit like cramming Buffy Vs Dracula and The Body into one episode, or like making a smoothie out of an entire 3 course meal.
Its a difficult one this week. Not so much because of the content, but because it draws heavily on the continuity of the season and we're just joining in for for episode 19.
This week it's Buffy S06E19 - Seeing Red