Since its premiere in 2014, Chicago P.D. has cemented itself as one of NBC’s most gripping police procedurals and a cornerstone of the One Chicago franchise. The series follows the Intelligence Unit of the Chicago Police Department, led by the tough and uncompromising Hank Voight, as they battle crime, corruption, and their own personal demons. With its balance of intense action, raw emotional drama, and compelling character arcs, Chicago P.D. has captivated audiences for over a decade.

Based on IMDb ratings and fan consensus, here are the 10 best episodes of Chicago P.D., ranked from great to unforgettable.

10. Stepping Stone (Season 1, Episode 1) – IMDb 8.2

The very first episode that introduced fans to the Intelligence Unit and set the tone for the entire series. From the start, Voight’s controversial leadership style and the gritty tone of the show made a strong impression, laying the foundation for what would become a long-running success.

9. Greater Good (Season 5, Episode 22) – IMDb 8.2

This season finale shocked fans with a devastating loss that left the unit reeling. Tensions reached their peak, and the ending not only broke hearts but also paved the way for dramatic changes in the following season.

8. Justice (Season 3, Episode 21) – IMDb 8.4

One of the most memorable crossover episodes, Justice sees the team caught in a controversial case that tests the very meaning of law and order. It forced both the characters and viewers to confront uncomfortable questions about morality and fairness in the justice system.

7. A Shot Heard Around the World (Season 4, Episode 8) – IMDb 8.5

A police officer is killed in broad daylight, triggering a citywide manhunt. The sense of urgency and emotional impact on the unit created one of the most intense and heartbreaking hours of the entire franchise.

6. Ties That Bind (Season 6, Episode 14) – IMDb 9.0

The Intelligence Unit uncovers a horrifying human trafficking operation, forcing the detectives to confront both danger and the darker sides of humanity. It’s a harrowing and emotionally charged episode that highlights the personal sacrifices of the team.

5. Trust (Season 6, Episode 11) – IMDb 9.0

When trust is put to the test, allegiances fracture and relationships within the team are shaken. This episode dives into loyalty, betrayal, and the heavy consequences of choices made under pressure.

4. Allegiance (Season 4, Episode 5) – IMDb 9.0

Themes of loyalty and betrayal dominate this episode, where personal bonds collide with the pursuit of justice. Allegiance is a standout for its emotional weight, showing that even those fighting for the same cause can find themselves on opposite sides.

3. Start Digging (Season 3, Episode 23) – IMDb ~9.1

An explosive season finale that left fans stunned. Voight, pushed beyond his limits, unleashes his wrath in a way that changes the dynamics of the Intelligence Unit forever. It’s dark, dramatic, and unforgettable—arguably one of the show’s most pivotal turning points.

2. The Other Side (Season 6) – IMDb ~9.1

A deeply emotional and tragic episode, The Other Side captures the pain of loss and the burden of choices that cannot be undone. It’s a heartbreaking reminder that the job often demands sacrifices that scar the soul.

1. Homecoming (Season 6 Finale) – IMDb 9.2

The highest-rated episode of Chicago P.D. on IMDb, Homecoming is both devastating and unforgettable. The assassination of Olinsky sends Voight into a spiral of rage and grief, creating one of the rawest and most powerful storylines in the show’s history. This episode epitomizes everything Chicago P.D. does best: unflinching action, emotional intensity, and morally complex storytelling.

Across more than ten seasons, Chicago P.D. has delivered countless powerful episodes, but the ten listed above stand out as the very best according to IMDb. They showcase not only the series’ gritty portrayal of law enforcement but also the deeply human struggles behind the badge. Whether you’re a long-time fan or a newcomer looking for the highlights, these episodes are essential viewing—each one a testament to why Chicago P.D. remains a staple of modern police drama.