Series 9
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5. What Lies Tangled (Part 1)
When a parcel bomb explodes, Lewis and Hathaway are called in to investigate.
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3. Magnum Opus (Part 1)
When a college dean is found dead, an alchemic image is discovered by the body.
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1. One For Sorrow (Part 1)
Lewis is faced with the seemingly impossible task of identifying the remains of a body.
Series 8
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5. Beyond Good and Evil (Part 1)
An old case comes back to haunt Lewis when forensic evidence is called into question.
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3. The Lions of Nemea (Part 1)
Lewis, Hathaway and Maddox investigate the death of a classics scholar dumped in a canal.
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1. Entry Wounds (Part 1)
Lewis comes out of retirement to help newly promoted Hathaway with his first murder case.
Series 7
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3. Intelligent Design
A former don is murdered on his release from prison - crushed to death by a Jaguar Mark.
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2. The Ramblin' Boy
Could there be a link between a missing detective and a body found next to a farm track.
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1. Down Among the Fearful
Lewis and Hathaway investigate the murder of psychologist Reuben Beatty.
Series 6
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4. The Indelible Stain
Lewis and Hathaway investigate when a controversial American academic is murdered.
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3. Fearful Symmetry
The murder of a babysitter leads Lewis and Hathaway into diverse new worlds.
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2. Generation of Vipers
Lewis and Hathaway uncover a world of online bullying when a professor is found dead.
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1. The Soul of Genius
When a botanist digs up a recently buried professor, Lewis and Hathaway investigate.
Series 5
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4. The Gift of Promise
When a businesswoman is bludgeoned to death, it appears to be blackmail gone wrong.
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3. The Mind Has Mountains
Lewis and Hathaway investigate when a student dies during a clinical trial for a new drug.
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2. Wild Justice
Lewis investigates when a visiting female bishop is poisoned.
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1. Old Unhappy Far Off Things
A reunion at an all-female college ends in tragedy when one of the alumnae is killed.
Series 4
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4. Falling Darkness
Lewis and Hathaway investigate the murder of a university friend of Laura Hobson.
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3. Your Sudden Death Question
Lewis and Hathaway are called in when a top quiz competitor is found dead in a fountain.
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2. Dark Matter
When a don is found dead near the college observatory, suspicion falls on the staff.
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1. The Dead of Winter
After a body is found on a bus, Lewis and Hathaway are led to a sprawling Oxford estate.
Series 3
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4. Counter Culture Blues
Lewis and Hathaway investigate a murder which may be connected to an old rock band.
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3. The Point of Vanishing
When a religious fanatic is murdered, Lewis investigates a celebrity atheist.
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2. The Quality of Mercy
Lewis and Hathaway investigate the murder of a rising Oxford theatre star.
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1. Allegory of Love
Lewis investigates the murder of a beautiful young Eastern European woman.
Series 2
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4. The Great and the Good
A rape case appears to be solved when the chief suspect is murdered.
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3. Life Born of Fire
Lewis investigates a link between a suspected suicide and a religious group.
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2. Music to Die For
Is there a link between a professor's death and the winner of an illegal boxing bout?
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1. And the Moonbeams Kiss the Sea
Lewis investigates a suspicious death at the Bodleian Library.
Series 1
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3. Expiation
A woman is found hanged in her home, but Lewis and Hathaway doubt whether it is suicide.
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2. Old School Ties
An Oxford student dies after inviting a reformed computer hacker to speak at the Union.
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1. Whom the Gods Would Destroy
When an Oxford graduate is killed, a senior university figure comes under suspicion.