What did you think of Fringe's unique musical episode? Read our take on "Brown Betty" NOW.
Looking ahead, Fox airs another new installment on May 6. It guest stars Martha Plimpton as a sheriff that helps Peter track down clues about his past.
For a more in-depth glance at the season finale and what's ahead, visit our section of Fringe spoilers. For the official promo for "Northwest Passage," see below.
[video url="http://www.tvfanatic.com/videos/northwest-passage-promo/" title="Northwest Passage Promo"] [/video]