| #1 | Stepping Stone | |
| #2 | Wrong Side of the Bars | |
| #3 | Chin Check | |
| #4 | Now Is Always Temporary | |
| #5 | Thirty Balloons | |
| #6 | Conventions | |
| #7 | The Price We Pay | |
| #8 | Different Mistakes | |
| #9 | A Material Witness | |
| #10 | At Least It's Justice | |
| #11 | Turn Off the Light | |
| #12 | 8:30 PM | |
| #13 | My Way | |
| #14 | The Docks | |
| #15 | A Beautiful Friendship |
| #1 | Call It Macaroni | |
| #2 | Get My Cigarettes | |
| #3 | The Weigh Station | |
| #4 | Chicken, Dynamite, Chainsaw | |
| #5 | An Honest Woman | |
| #6 | Prison Ball | |
| #7 | They'll Have to Go Through Me | |
| #8 | Assignment of the Year | |
| #9 | Called In Dead | |
| #10 | Shouldn't Have Been Alone | |
| #11 | We Don't Work Together Anymore | |
| #12 | Disco Bob | |
| #13 | A Little Devil Complex | |
| #14 | Erin's Mom | |
| #15 | What Do You Do | |
| #16 | What Puts You on That Ledge | |
| #17 | Say Her Real Name | |
| #18 | Get Back to Even | |
| #19 | The Three Gs | |
| #20 | The Number of Rats | |
| #21 | There's My Girl | |
| #22 | Push the Pain Away | |
| #23 | Born Into Bad News |
| #1 | The Silos | |
| #2 | Made a Wrong Turn | |
| #3 | A War Zone | |
| #4 | Big Friends, Big Enemies | |
| #5 | A War Zone | |
| #6 | Skin in the Game | |
| #7 | 300,000 Likes + A Shot Heard Around the World | |
| #9 | Don't Bury This Case | |
| #10 | Don't Read the News | |
| #11 | You Wish | |
| #12 | Sanctuary | |
| #13 | I Remember Her Now | |
| #14 | Seven Indictments | |
| #15 | Favor, Affection, Malice or Ill-Will | |
| #16 | Emotional Proximity (2) | |
| #17 | Remember the Devil | |
| #18 | Little Bit of Light | |
| #19 | Last Minute Resistance | |
| #20 | Grasping for Salvation | |
| #21 | Fagin | |
| #22 | Army of One | |
| #23 | Fork in the Road |
| #1 | Reform | |
| #2 | The Thing About Heroes | |
| #3 | Promise | |
| #4 | Snitch | |
| #5 | Home | |
| #6 | Fallen | |
| #7 | Care Under Fire | |
| #8 | Politics | |
| #9 | Monster | |
| #10 | Rabbit Hole | |
| #11 | Confidential | |
| #12 | Captive | |
| #13 | Chasing Monsters | |
| #14 | Anthem | |
| #15 | Sisterhood | |
| #16 | Profiles | |
| #17 | Breaking Point | |
| #18 | Ghosts | |
| #19 | Payback | |
| #20 | Saved | |
| #21 | Episode #5.21 | |
| #22 | Homecoming |
| #1 | New Normal | |
| #2 | Endings (3) | |
| #3 | Bad Boys | |
| #4 | Ride Along | |
| #5 | Fathers and Sons | |
| #6 | True or False | |
| #7 | Trigger | |
| #8 | Black and Blue | |
| #9 | Descent | |
| #10 | Brotherhood | |
| #11 | Trust | |
| #12 | Outrage | |
| #13 | Night in Chicago | |
| #14 | Ties That Bind | |
| #15 | Good Men | |
| #16 | The Forgotten | |
| #17 | Pain Killer | |
| #18 | This City | |
| #19 | What Could Have Been | |
| #20 | Sacrifice | |
| #21 | Confession | |
| #22 | Reckoning |
| #1 | Doubt | |
| #2 | Assets | |
| #3 | Familia | |
| #4 | Infection | |
| #5 | False Positive | |
| #6 | Brother's Keeper | |
| #7 | No Regrets | |
| #8 | Informants | |
| #9 | Absolution | |
| #10 | Mercy | |
| #11 | 43rd and Normal | |
| #12 | The Devil You Know | |
| #13 | I Was Here | |
| #14 | Center Mass | |
| #15 | Initiation | |
| #16 | Intimate Violence | |
| #17 | Before the Fall | |
| #18 | Initiation | |
| #19 | Buried Secrets | |
| #20 | Silence of the Night |
| #1 | Fighting Ghosts | |
| #2 | White Knuckle | |
| #3 | Tender Age | |
| #4 | Unforgiven | |
| #5 | In Your Care | |
| #6 | Equal Justice | |
| #7 | Instinct | |
| #8 | Protect and Serve | |
| #9 | Impossible Dream | |
| #10 | The Radical Truth | |
| #11 | Signs of Violence | |
| #12 | Due Process | |
| #13 | Trouble Dolls | |
| #14 | Safe | |
| #15 | The Right Thing | |
| #16 | The Other Side |
| #1 | Closure | |
| #2 | Rage | |
| #3 | The One Next to Me | |
| #4 | In the Dark | |
| #5 | Burnside | |
| #6 | End of Watch | |
| #7 | Trust Me | |
| #8 | Fractures | |
| #9 | A Way Out | |
| #10 | Home Safe | |
| #11 | Lies | |
| #12 | To Protect | |
| #13 | Still Water | |
| #14 | Blood Relation | |
| #15 | Gone | |
| #16 | Closer | |
| #17 | Adrift | |
| #18 | New Guard | |
| #19 | Fool's Gold | |
| #20 | Memory | |
| #21 | House of Cards | |
| #22 | You and Me |
| #1 | Let it Bleed | |
| #2 | The Real You | |
| #3 | A Good Man | |
| #4 | Dónde Vives | |
| #5 | Pink Cloud | |
| #6 | Sympathetic Reflex | |
| #7 | Into the Deep | |
| #8 | Under the Skin | |
| #9 | Proof of Burden | |
| #10 | This Job | |
| #11 | Long Lost | |
| #12 | I Can Let You Go | |
| #13 | The Ghost in You | |
| #14 | Trapped | |
| #15 | Blood and Honor | |
| #16 | Deadlocked | |
| #17 | Out of the Depths | |
| #18 | You Only Die Twice | |
| #19 | The Bleed Valve | |
| #20 | Fight | |
| #21 | New Life | |
| #22 | A Better Place |
| #1 | Unpacking | |
| #2 | Retread | |
| #3 | Safe Harbor | |
| #4 | Escape | |
| #5 | Split Second | |
| #6 | Survival | |
| #7 | The Price We Pay | |
| #8 | Different Mistakes | |
| #9 | A Material Witness |