Fringe certainly had an interesting premise with this episode.. but one thing I've noticed about the show is their tendency to focus a lot of their efforts on the scientific breakdown of terms and solutions. Walter and Peter will ramble on about some odd type of paranormal thing that he worked on in the past, and they break down how it works and what it means.. by the end of the episode, there's a limited amount of screen time dedicated to the action.
But hey, why complain when the show is still so compelling? I've found myself drawn into the show, much like Lost did when it first aired.. the whole Massive Dynamic story line seems interesting and it makes me really want to know what its endgame is.
The characters are all becoming pretty interesting as well. Especially the interactions between Walter and Peter.. Walter consistantly delivers hilarious lines and brings some level of comedy to a show that's heavily dominated by science fiction, the paranormal and drama.
Overall, a good start to the season.