Chicago P.D. Season 12: Everything We Know About Episode 21 – Air Date, Time, and What’s Next for the Intelligence Unit

As Chicago P.D. heads toward its explosive finale, Episode 21 — titled “Open Casket” — is shaping up to be one of the most pivotal episodes of the series. Set to air on Wednesday, May 14, 2025, at 10 PM ET/PT on NBC, the penultimate episode of Season 12 promises high-stakes drama, emotional revelations, and a major turning point for the Intelligence Unit.

After a season packed with grief, betrayal, and mounting corruption, tensions are at an all-time high. The episode’s title hints at secrets coming to light, with Detective Otero under scrutiny for his growing ties to the disgraced Deputy Chief Reid. The team must weigh loyalty against justice, and Voight, as always, stands at the center of this moral storm. Jason Beghe’s performance is expected to shine as Voight faces one of his toughest decisions yet.

Meanwhile, Ruzek continues to unravel in the aftermath of Martel’s death. His volatile behavior has blurred the line between duty and vengeance, and Episode 21 may be his breaking point. As his emotions threaten to cloud his judgment, the Intelligence Unit faces internal fractures just when they need unity most.

Fans can expect a suspense-filled hour that lays the groundwork for the finale, airing May 21. With NBC hinting at a season-ending twist that will “reshape the Intelligence Unit as we know it,” “Open Casket” is expected to end on a major cliffhanger.

For international viewers, the episode will be available on Peacock the following day, and accessible via streaming or VPN platforms in select regions.