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Revision as of 16:09, May 2, 2015

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Template:Episode Quote "You Don't Know Jack" is the twentieth episode of Season 4 of Grimm and the eighty-sixth episode overall. It first aired on May 1, 2015 on NBC.


Press Release

A SERIES OF CONNECTED MURDERS LEAD EVERYONE TO THINK A COPYCAT IS ON THE LOOSE - GARCELLE BEAUVAIS AND NICO EVERS-SWINDELL GUEST STAR - A string of homicides have the press asking Captain Renard (Sasha Roiz) if a Jack the Ripper copycat has arrived in Portland. While dealing with the investigation, Nick (David Giuntoli), Hank (Russell Hornsby), Monroe (Silas Weir Mitchell) and Wu (Reggie Lee) deal with a situation they never expected. Meanwhile, Adalind (Claire Coffee) and Rosalee (Bree Turner) must work together on a last ditch attempt to fix Juliette's (Bitsie Tulloch) condition. Elsewhere, Juliette decides to help her new ally even if it means hurting those around her.

Guest stars

Nico Evers-Swindell
Garcelle Beauvais
Danny Bruno
Bud Wurstner



Select scene

Grimm - The Hexenbiest Is Here to Stay (Episode Highlight)

Grimm - The Hexenbiest Is Here to Stay (Episode Highlight)

Production Notes


  • Bud meets Adalind for the first time.
  • The first female Klaustreich is seen.
  • The trailer is badly damaged, but not all of its contents have been destroyed; subsequently, the remaining items, including some of the Grimm diaries and weapons, are moved to the spice shop basement.
  • It is revealed that Lauren Castro did not succeed in her campaign to become the mayor of Portland.



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