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Grimm· Season 4 · Episode 20

You Don't Know Jack

S04E20·6.1·May 1, 2015·1h·NBC

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.

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#19In Season 4of 22 rated episodes
#120All-timeof 123 rated episodes
−0.3vs season avgSeason 4 averages 6.4
2015First airedMay 1, 2015

Guest stars

Danny BrunoDanny Brunoas Bud Wurstner
Garcelle BeauvaisGarcelle Beauvaisas Henrietta
Nico Evers-SwindellNico Evers-Swindellas Kenneth Alun Goderich Bowes-Lyon
Tim Beckeras Reporter
Brenda BraxtonBrenda Braxtonas Newscaster
Katherine Cookas Reporter #3
Lowell DeoLowell Deoas Mayor
Rachael Perrell FosketRachael Perrell Fosketas Heidi McDunnah
Franchesca Agramonteas Mary Ann Casey

Crew

Terrence O'HaraTerrence O'HaraDirector
Michael GolamcoWriter
Sean CalderWriter

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