I just . . . everything is mirrors and duality and interlocking trios and dream/vision stuff and their names are all delightfully on the nose and they quote from everything and apparently the sets and cinematography are full of allusions to horror stories that I don't recognize.

Also there is an episode that is just straight-up a Buffy episode. As one reviewer put it 'I hope Joss Whedon isn't feeling litigious.'