When did Grimm Season 4 Episode 20 air?
Grimm Season 4 Episode 20 aired on May 1, 2015.


Mortal. Danger.
After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.

A string of homicides have the press asking Captain Renard if a Jack the Ripper copycat has arrived in Portland. While dealing with the investigation, Nick, Hank, Monroe and Wu deal with a situation they never expected. Meanwhile, Adalind and Rosalee must work together on a last ditch attempt to fix Juliette's condition. Elsewhere, Juliette decides to help her new ally even if it means hurting those around her.
Direct answers for episode-level questions and details.
Grimm Season 4 Episode 20 aired on May 1, 2015.
This episode runs for approximately 43 minutes.
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