All the episodes from the first nine seasons of the American police drama following the Intelligence Unit officers of the Chicago Police Department as they tackle cases involving murder, organised crime and drug trafficking in the Windy City. Season 1 episodes are: 'Stepping Stone', 'Wrong Side of the Bars', 'Chin Check', 'Now Is Always Temporary', 'Thirty Balloons', 'Conventions', 'The Price We Pay', 'Different Mistakes', 'A Material Witness', 'At Least It's Justice', 'Turn the Light Off', '8:30 PM', 'My Way', 'The Docks' and 'A Beautiful Friendship'. Season 2 episodes are: 'Call It Macaroni', 'Get My Cigarettes', 'The Weigh Station', 'Chicken, Dynamite, Chainsaw', 'An Honest Woman', 'Prison Ball', 'They'll Have to Go Through Me', 'Assignment of the Year', 'Called in Dead', 'Shouldn't Have Been Alone', 'We Don't Work Together Anymore', 'Disco Bob', 'A Little Devil Complex', 'Erin's Mom', 'What Do You Do', 'What Puts You On That Ledge', 'Say Her Real Name', 'Get Back to Even', 'The Three G's', 'The Number of Rats', 'There's My Girl', 'Push the Pain Away' and 'Born Into Bad News'.

Season 3 episodes are: 'Life Is Fluid', 'Natural Born Storyteller', 'Actual Physical Violence', 'Debts of the Past', 'Climbing Into Bed', 'You Never Know Who's Who', 'A Dead Kid, a Notebook and a Lot of Maybes', 'Forget My Name', 'Never Forget I Love You', 'Now I'm God', 'Knocked the Family Right Out', 'Looking Out for Stateville', 'Hit Me', 'The Song of Gregory Williams Yates', 'A Night Owl', 'The Cases That Need to Be Solved', 'Forty-Caliber Bread Crumb', 'Kasual With a K', 'If We Were Normal', 'In a Duffel Bag', 'Justice', 'She's Got Us' and 'Start Digging'. Season 4 episodes are: 'The Silos', 'Made a Wrong Turn', 'All Cylinders Firing', 'Big Friends, Big Enemies', 'A War Zone', 'Some Friend', '300,000 Likes', 'A Shot Heard Around the World', 'Don't Bury This Case', 'Don't Read the News', 'You Wish', 'Sanctuary', 'I Remember Her Now', 'Seven Indictments', 'Favor, Affection, Malice Or Ill-Will', 'Emotional Proximity', 'Remember the Devil', 'Little Bit of Light', 'Last Minute Resistance', 'Grasping for Salvation', 'Fagin', 'Army of One' and 'Fork in the Road'. Season 5 episodes are: 'Reform', 'The Thing About Heroes', 'Promise', 'Snitch', 'Home', 'Fallen', 'Care Under Fire', 'Politics', 'Monster', 'Rabbit Hole', 'Confidential', 'Captive', 'Chasing Monsters', 'Anthem', 'Sisterhood', 'Profiles', 'Breaking Point', 'Ghosts', 'Payback', 'Saved', 'Allegiance' and 'Homecoming'.

Season 6 episodes are: 'New Normal', 'Endings', 'Bad Boys', 'Ride Along', 'Fathers and Sons', 'True Or False', 'Trigger', 'Black and Blue', 'Descent', 'Brotherhood', 'Trust', 'Outrage', 'Night in Chicago', 'Ties That Bind', 'Good Men', 'The Forgotten', 'Pain Killer', 'This City', 'What Could Have Been', 'Sacrifice', 'Confession' and 'Reckoning'. Season 7 episodes are: 'Doubt', 'Assets', 'Familia', 'Infection: Part III', 'Brother's Keeper', 'False Positive', 'Informant', 'No Regrets', 'Absolution', 'Mercy', '43rd and Normal', 'The Devil You Know', 'I Was Here', 'Center Mass', 'Burden of Truth', 'Intimate Violence', 'Before the Fall', 'Lines', 'Buried Secrets' and 'Silence of the Night'. Season 8 episodes are: 'Fighting Ghosts', 'White Knuckle', 'Tender Age', 'Unforgiven', 'In Your Care', 'Equal Justice', 'Instinct', 'Protect and Serve', 'Impossible Dream', 'The Radical Truth', 'Signs of Violence', 'Due Process', 'Trouble Dolls', 'Safe', 'The Right Thing' and 'The Other Side'.

Season 9 episodes are: 'Closure', 'Rage', 'The One Next to Me', 'In the Dark', 'Burnside', 'End of Watch', 'Trust Me', 'Fractures', 'A Way Out', 'Home Safe', 'Lies', 'To Protect', 'Still Water', 'Blood Relation', 'Gone', 'Closer', 'Adrift', 'New Guard', 'Fool's Gold', 'Memory', 'House of Cards' and 'You and Me'.

The complete nine seasons of the US drama following the lives and loves of the young people in the fictional North Carolina town, Tree Hill.

Over the course of the series the characters progress from being high school students to facing up to the responsibilities of the adult world.