Grimm Goes All Out For Monroe And Rosalee's Big Fat Wesen WeddingRob Bricken5/17/14 2:30pm14711EditPromoteDismissUndismissHideGo to permalinkThe season 3 finale. Monroe and Rosalee's long-awaited wedding. Adalind on the loose. Murder. Mayhem I had anticipated all these things happening, but to call this episode "action-packed" is an understatement. I never thought I'd say this, but I think Grimm almost had too much going on… and I loved it.