Chicago P.D.Fair rating?

Chicago P.D.· Season 13 · Episode 4

Root Cause

S13E04·8.1·October 22, 2025·1h·NBC

A string of violent robberies across the city digs up one family's secrets. A surprising detail of Voight's past resurfaces.

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#17In Season 13of 21 rated episodes
#121All-timeof 264 rated episodes
−0.2vs season avgSeason 13 averages 8.3
2025First airedOctober 22, 2025

Guest stars

Julianna LayneJulianna Layneas Julie Bell
Barry Del ShermanBarry Del Shermanas Raymond Bell
Charlotte WhiteCharlotte Whiteas Sandra "Sage" Michaels
Cris MonteroCris Monteroas Julio
Sean BradleySean Bradleyas Bob
Sam CassSam Cassas Gary Bell
Kianna RoseKianna Roseas Tara Gainz
Jessica GoforthJessica Goforthas Desk Manager
Omar AragonesOmar Aragonesas Steve Perez
Diego Vazquez GomezDiego Vazquez Gomezas Customer
Julien TheoJulien Theoas Tom Gainz

Crew

Victor MaciasDirector
Gavin HarrisWriter

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Season 13 ranked & reviewedBest of Chicago P.D.Ratings graph