Grimm Season 4 Episode 22 — Cry Havoc

On the heels of a shocking discovery, Nick is hell bent on getting revenge and taking the fight to the Royals with help from Trubel. Meanwhile, Juliette's alliance continues to lead her down a dark path.

Grimm Season 4 Episode 22 (“Cry Havoc”) is episode 22 of 22 in Season 4 and first aired on May 15, 2015. It runs about 43 minutes. Directed by Norberto Barba. Written by Thomas Ian Griffith. Guest stars include Danny Bruno, Damien Puckler and Nico Evers-Swindell. Grimm is a Drama, Mystery and Sci-Fi & Fantasy series from NBC.