S04E24: Stalker
In the fourth season finale, a hostage situation arises when the entire team is held captive while they're investigating the 2006 killings of a family who had just moved into a new house.
Previous Episode 
Season 1
Look Again
S1E1 / 28 Sep 2003
Gleen
S1E2 / 05 Oct 2003
Our Boy Is Back
S1E3 / 12 Oct 2003
Churchgoing People
S1E4 / 19 Oct 2003
The Runner
S1E5 / 26 Oct 2003
Love Conquers Al
S1E6 / 09 Nov 2003
A Time to Hate
S1E7 / 16 Nov 2003
Fly Away
S1E8 / 30 Nov 2003
Sherry Darlin'
S1E9 / 07 Dec 2003
The Hitchhiker
S1E10 / 21 Dec 2003
Hubris
S1E11 / 11 Jan 2004
Glued
S1E12 / 18 Jan 2004
The Letter
S1E13 / 25 Jan 2004
Boy in the Box
S1E14 / 15 Feb 2004
Disco Inferno
S1E15 / 22 Feb 2004
Volunteers
S1E16 / 07 Mar 2004
The Lost Soul of Herman Lester
S1E17 / 14 Mar 2004
Resolutions
S1E18 / 28 Mar 2004
Late Returns
S1E19 / 04 Apr 2004
Greed
S1E20 / 18 Apr 2004
Maternal Instincts
S1E21 / 25 Apr 2004
The Plan
S1E22 / 02 May 2004
Lover's Lane
S1E23 / 23 May 2004
Season 2
The Badlands
S2E1 / 03 Oct 2004
Factory Girls
S2E2 / 10 Oct 2004
Daniela
S2E3 / 17 Oct 2004
The House
S2E4 / 24 Oct 2004
Who's Your Daddy
S2E5 / 31 Oct 2004
The Sleepover
S2E6 / 07 Nov 2004
It's Raining Men
S2E7 / 14 Nov 2004
Red Glare
S2E8 / 21 Nov 2004
Mind Hunters
S2E9 / 28 Nov 2004
Discretion
S2E10 / 19 Dec 2004
Blank Generation
S2E11 / 09 Jan 2005
Yo, Adrian
S2E12 / 16 Jan 2005
Time to Crime
S2E13 / 30 Jan 2005
Revolution
S2E14 / 20 Feb 2005
Wishing
S2E15 / 06 Mar 2005
Revenge
S2E16 / 13 Mar 2005
Schadenfreude
S2E17 / 20 Mar 2005
Ravaged
S2E18 / 27 Mar 2005
Strange Fruit
S2E19 / 03 Apr 2005
Kensington
S2E20 / 24 Apr 2005
Creatures of the Night
S2E21 / 01 May 2005
Best Friends
S2E22 / 08 May 2005
The Woods
S2E23 / 22 May 2005
Season 3
Family
S3E1 / 25 Sep 2005
The Promise
S3E2 / 02 Oct 2005
Bad Night
S3E3 / 09 Oct 2005
Colors
S3E4 / 16 Oct 2005
Commited
S3E5 / 23 Oct 2005
Saving Patrick Bubley
S3E6 / 06 Nov 2005
Start-Up
S3E7 / 13 Nov 2005
Honor
S3E8 / 20 Nov 2005
A Perfect Day
S3E9 / 27 Nov 2005
Frank's Best
S3E10 / 18 Dec 2005
8 Years
S3E11 / 08 Jan 2006
Detention
S3E12 / 15 Jan 2006
Debut
S3E13 / 29 Jan 2006
Dog Day Afternoons
S3E14 / 26 Feb 2006
Sanctuary
S3E15 / 12 Mar 2006
One Night
S3E16 / 19 Mar 2006
Superstar
S3E17 / 26 Mar 2006
Willkommen
S3E18 / 02 Apr 2006
Beautiful Little Fool
S3E19 / 09 Apr 2006
Death Penalty: Final Appeal
S3E20 / 16 Apr 2006
The Hen House
S3E21 / 30 Apr 2006
The River
S3E22 / 07 May 2006
Joseph
S3E23 / 21 May 2006
Season 4
Rampage
S4E1 / 24 Sep 2006
The War at Home
S4E2 / 01 Oct 2006
Sandhogs
S4E3 / 08 Oct 2006
Baby Blues
S4E4 / 15 Oct 2006
Saving Sammy
S4E5 / 22 Oct 2006
Static
S4E6 / 29 Oct 2006
The Key
S4E7 / 05 Nov 2006
Fireflies
S4E8 / 12 Nov 2006
Lonely Hearts
S4E9 / 19 Nov 2006
Forever Blue
S4E10 / 03 Dec 2006
The Red and the Blue
S4E11 / 10 Dec 2006
Knuckle Up
S4E12 / 07 Jan 2007
Blackout
S4E13 / 14 Jan 2007
8:03 AM
S4E14 / 28 Jan 2007
Blood on the Tracks
S4E15 / 18 Feb 2007
The Good-Bye Room
S4E16 / 04 Mar 2007
Shuffle, Ball Change
S4E17 / 11 Mar 2007
A Dollar, A Dream
S4E18 / 18 Mar 2007
Offender
S4E19 / 25 Mar 2007
Stand Up and Holler
S4E20 / 01 Apr 2007
Torn
S4E21 / 08 Apr 2007
Cargo
S4E22 / 15 Apr 2007
The Good Death
S4E23 / 29 Apr 2007
Stalker
S4E24 / 06 May 2007
Season 5
Thrill Kill
S5E1 / 23 Sep 2007
That Woman
S5E2 / 30 Sep 2007
Running Around
S5E3 / 07 Oct 2007
Devil Music
S5E4 / 14 Oct 2007
Thick as Thieves
S5E5 / 21 Oct 2007
Wunderkind
S5E6 / 28 Oct 2007
World's End
S5E7 / 04 Nov 2007
It Takes a Village
S5E8 / 11 Nov 2007
Boy Crazy
S5E9 / 18 Nov 2007
Justice
S5E10 / 25 Nov 2007
Family 8108
S5E11 / 09 Dec 2007
Sabotage
S5E12 / 06 Jan 2008
Spiders
S5E13 / 17 Feb 2008
Andy in C Minor
S5E14 / 30 Mar 2008
The Road
S5E15 / 06 Apr 2008
Bad Reputation
S5E16 / 13 Apr 2008
Slipping
S5E17 / 27 Apr 2008
Ghost of My Child
S5E18 / 04 May 2008
Season 6
Glory Days
S6E1 / 28 Sep 2008
True Calling
S6E2 / 05 Oct 2008
Wednesday's Women
S6E3 / 12 Oct 2008
Roller Girl
S6E4 / 19 Oct 2008
Shore Leave
S6E5 / 26 Oct 2008
The Dealer
S6E6 / 02 Nov 2008
One Small Step
S6E7 / 09 Nov 2008
Triple Threat
S6E8 / 16 Nov 2008
Pin Up Girl
S6E9 / 23 Nov 2008
Street Money
S6E10 / 30 Nov 2008
Wings
S6E11 / 21 Dec 2008
Lotto Fever
S6E12 / 04 Jan 2009
Breaking News
S6E13 / 11 Jan 2009
The Brush Man
S6E14 / 25 Jan 2009
Witness Protection
S6E15 / 15 Feb 2009
Jackals
S6E16 / 08 Mar 2009
Officer Down
S6E17 / 15 Mar 2009
Mind Games
S6E18 / 22 Mar 2009
Libertyville
S6E19 / 29 Mar 2009
Stealing Home
S6E20 / 12 Apr 2009
November 22
S6E21 / 26 Apr 2009
The Long Blue Line (1)
S6E22 / 03 May 2009
Into the Blue (2)
S6E23 / 10 May 2009
Season 7
The Crossing
S7E1 / 27 Sep 2009
Hoodrats
S7E2 / 04 Oct 2009
Jurisprudence
S7E3 / 11 Oct 2009
Soul
S7E4 / 25 Oct 2009
WASP
S7E5 / 01 Nov 2009
Dead Heat
S7E6 / 08 Nov 2009
Read Between the Lines
S7E7 / 15 Nov 2009
Chinatown
S7E8 / 22 Nov 2009
Forensics
S7E9 / 06 Dec 2009
Iced
S7E10 / 13 Dec 2009
The Good Soldier
S7E11 / 10 Jan 2010
The Runaway Bunny
S7E12 / 17 Jan 2010
Bombers
S7E13 / 14 Feb 2010
Metamorphosis
S7E14 / 21 Feb 2010
Two Weddings
S7E15 / 28 Feb 2010
One Fall
S7E16 / 14 Mar 2010
Flashover
S7E17 / 21 Mar 2010
The Last Drive-In (1)
S7E18 / 28 Mar 2010
Bullet (2)
S7E19 / 04 Apr 2010
Free Love
S7E20 / 11 Apr 2010
Almost Paradise
S7E21 / 02 May 2010
Shattered
S7E22 / 02 May 2010
Kathryn Morris
Lilly Rush
Danny Pino
Scotty Valens
Jeremy Ratchford
Nick Vera
Thom Barry
Will Jeffries
Tracie Thoms
Kat Miller
