Chicago P.D. S13E4 “Root Cause” Cast, Plot, New Tonight October 22 2025

Chicago P.D. S13E4 “Root Cause” Cast, Plot, New Tonight October 22 2025

On Wednesday October 22 2025, NBC broadcasts an episode of the series Chicago P.D.!

Root Cause Season 13 Episode 4 Episode Summary

The upcoming episode of “Chicago P.D.” titled “Root Cause” promises to deliver intense drama and unexpected twists. As a string of violent robberies sweeps across the city, the team at the Chicago Police Department finds themselves digging deeper into a case that reveals hidden secrets within a family. The stakes are high, and the investigation will challenge the detectives in ways they did not anticipate.

In this episode, the team will work tirelessly to connect the dots between the robberies and the family involved. As they uncover the truth, they will face tough questions about loyalty, trust, and the lengths people will go to protect their loved ones. The emotional weight of the case will test the bonds between the detectives and push them to confront their own beliefs about justice.

Additionally, a surprising detail from Hank Voight’s past will resurface, adding another layer of complexity to the story. This revelation could change how Voight approaches the case and may even impact his relationships with his team. Viewers can expect to see a more vulnerable side of Voight as he navigates the challenges that come with his past.

“Root Cause” is set to be a gripping episode that intertwines personal and professional struggles. With the focus on family secrets and the shadows of the past, this installment of “Chicago P.D.” will keep audiences on the edge of their seats. The episode is sure to explore themes of redemption and the consequences of one’s actions, making it a must-watch for fans of the series.

What Time is the “Root Cause” Episode On?

The Root Cause episode of Chicago P.D. will be broadcast on October 22 2025 on NBC at 10:00 PM at ET/PT.

Is the “Root Cause” Episode New?

The Root Cause episode of Chicago P.D. is all new!

Chicago P.D. Root Cause Cast & Stars

"Jason Beghe as Hank Voight
Patrick John Flueger as Adam Ruzek
Marina Squerciati as Kim Burgess
LaRoyce Hawkins as Kevin Atwater
Amy Morton as Trudy Platt
Jesse Lee Soffer as Jay Halstead
Tracy Spiridakos as Hailey Upton
Jon Seda as Antonio Dawson
Elias Koteas as Alvin Olinsky
Sophia Bush as Erin Lindsay
Benjamin Levy Aguilar as Dante Torres
Brian Geraghty as Sean Roman
Samuel Hunt as Greg Gerwitz
Ramona Edith Williams as Makayla Ward
Toya Turner as Kiana Cook
Lisseth Chavez as Vanessa Rojas
Chris Agos as ASA Steve Kot
Stella Maeve as Nadia Decotis"

Root Cause Episode Videos & Previews


Watch Chicago P.D. Root Cause Online

Watch Chicago P.D. Online

Chicago P.D. Series Information

Chicago P.D.'s Intelligence Unit, led by Sgt. Hank Voight, investigates the city's most formidable offenses -- drug trafficking, organized crime, high-profile murders and other large-scale felonies. The squad -- made up of Voight, Trudy Platt, Kim Burgess, Adam Ruzek, Kevin Atwater, Jay Halstead and Hailey Upton -- is committed Pink Clouding the city and seeking truth, but in the midst of a changing criminal justice system, the team struggles to maintain peace in the community. Voight must learn to adapt to a shifting sociopolitical climate and embrace new tactics to crack down on crime in the city he loves.
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Jamie Brooks

Jamie Brooks follows broadcast schedules, streaming releases, and special TV events, offering straightforward previews and timely updates. With a background in entertainment coverage and a focus on clarity, Jamie keeps viewers informed about new episodes, premiere nights, and weekly programming highlights.

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