I was expecting a "Half Measures" type of an episode since this was the 4th season's penultimate episode. Also, I was excited when I saw in the credits that Vince Gilligan was directing.

Cowboy Bebop's Bottle Episode
This is one of the series's best and actually succeeded at creating tension-filled scary moments. Especially how gross the fridge looked when Spike slowly opened it up. (His reaction had a hilarious counterbalance as well.)

Best episode of the season so far.
While the season premiere was pretty good (and I'm in the minority of liking the 2nd and 3rd episode), tonight's episode was the first to make me cringe about having to wait another week for the next episode. The music throughout the whole episode was phenomenal & Walter's and…