Grimm

Season 4 Episode 20

You Don't Know Jack

17
Aired Friday 8:00 PM May 01, 2015 on NBC
7.6
out of 10
User Rating
66 votes

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Episode Summary

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A string of homicides create a fear that a Jack the Ripper copycat has arrived in Portland. As Nick and Hank investigate, they must also respond to an unexpected situation; at the same time, Adalind and Rosalee must work together on a last-ditch attempt to fix Juliette's condition; and Juliette decides to help her new ally, even if it means hurting those around her.

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Rachel Perrell Fosket

Rachel Perrell Fosket

Heidi McDunnah

Guest Star

Franchesca Agramonte

Franchesca Agramonte

Mary Ann Casey

Guest Star

Lowell Deo

Lowell Deo

Mayor

Guest Star

Garcelle Beauvais-Nilon

Garcelle Beauvais-Nilon

Henrietta

Recurring Role

Nico Swindell-Evers

Nico Swindell-Evers

Kenneth

Recurring Role

Danny Bruno

Danny Bruno

Bud

Recurring Role

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