Who was haunting Captain Renard?
That was addressed on Grimm Season 6 Episode 5 when it became clear that a ghost from his past had a score to settle.
Meanwhile on this NBC drama series, Nick, Hank and Wu investigated a bizarre murder in a local park, but did it have a link to the villain they were looking for?
Also, Monroe and Rosalee worried about whether Diana's premonition was true and tried to change their fate.
Did they succeed?
Use the video above to watch Grimm online to get caught up with the latest developments.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.