Season 4
22 episodes · Aug 14, 2001
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- S4E1
Snakehead
Aug 14, 200160mThe Undercover Unit is called in to investigate when eleven illegal immigrants are found dead inside a shipping container.
- S4E2
Rich Man's World
Aug 21, 200160mChurch uses an informant to infiltrate a drug syndicate, with tragic consequences.
- S4E3
Beyond Redemption
Aug 28, 200160mAngie goes undercover at a halfway house to obtain evidence against a psychopathic killer.
- S4E4
Tell Me You Love Me
Sep 11, 200160mChurch and MacKenzie pose as a married couple experiencing relationship difficulties as they investigate a murder.
- S4E5
Fool to Want You
Sep 18, 200160mChurch becomes the prime suspect in a murder investigation when he moonlights as a private investigator.
- S4E6
Family Values
Sep 25, 200160mChurch goes undercover in a bikie gang to expose a major amphetamine ring, with unexpected and tragic consequences.
- S4E7
Whatever It Takes
Oct 2, 200160mThe future of the Undercover Unit looks uncertain when Stone is investigated for the shooting death of biker Chicken Lake.
- S4E8
Into the Darkness
Oct 10, 200160mIn the aftermath of Bill Hollister's murder, MacKenzie grieves while Church tries to bring the killer to justice.
- S4E9
Foster Cops
Oct 17, 200160mChurch and Danni pose as foster parents in an unusual operation to capture Australia's Most Wanted Armed Robber.
- S4E10
The Whisper Room
Oct 23, 200160mThe Undercover Unit investigates a group of paedophiles who use an internet chat-room to procure their victims.
- S4E11
Feud
Oct 24, 200160mThe Undercovers investigate an extortion attempt against a pharmaceutical company and find themselves at the centre of a long-term feud.
- S4E12
One of Us
Oct 30, 200160mStone is recruited by an Assistant Commissioner to assassinate the Bomb-maker responsible for Bill Hollister's death.
- S4E13
Dog Eat Dog
Oct 31, 200160mThe Undercover Unit stage an intensive investigation to nail the ex-police officer believed responsible for Bill Hollister's murder.
- S4E14
Slice
Nov 6, 200160mDanni's cover is blown and her career is threatened when an escaped criminal seeks his revenge.
- S4E15
Love Hurts
Nov 7, 200160mA case of mistaken identity results in Stone being recruited to assist with a major armed robbery.
- S4E16
Psychotic Episode
Nov 20, 200160mStrange guns, UFOs, and piggerists with glass eyes - it's all in a day's work for Church, when his only source of information for a possible murder case is a paranoid schizophrenic.
- S4E17
Closure
Nov 21, 200160mMacKenzie investigates a Private Detective who specialises in adoption cases, with the secret hope of locating her birth mother.
- S4E18
True Colours
Nov 21, 200160mMacKenzie makes contact with her natural mother and both women become embroiled in an Undercover operation to nail a mastermind armed robber.
- S4E19
Too Many Crooks
Nov 27, 200160mThe Unit works with an undercover operative from Queensland to defeat a gang of amphetamine dealers responsible for a kidnapping.
- S4E20
Just Another Day
Nov 27, 200160mStone is caught in a siege situation at a hospital when an armed robbery goes horribly wrong.
- S4E21
Reunion
Nov 28, 200160mChurch's worlds collide when he has to attend his twenty year high-school reunion as part of a drug sting.
- S4E22
Do the Right Thing
Nov 28, 200160mAs Church, Danni, Stone and Angie focus on a drug sting, MacKenzie is distracted by an invitation to apply for Head of Homicide - which would mean leaving the Undercover Unit.