What was Diana's surprising news?
That was addressed on Grimm Season 6 Episode 4 when she dropped a revelation on Monroe and Rosalee.
Meanwhile on this hit NBC drama series, Eve turned to the catacombs beneath Nick's loft in order to search for answers to bizarre visions from the side effects of being healed with the mysterious sticks.
Also, Capt. Renard was left reeling by the arrival of a guest.
Use the video above to watch Grimm online to get caught up with the latest developments for the characters on this supernatural drama.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.