S02E08: Necessary Evil
Stardate: 47282.5. Odo relives some terrible and tragic memories of a past investigation when he was the constable on Cardassian-occupied Deep Space Nine, then named Terok Nor.
Previous Episode 
Season 1
Emissary
S1E1 / 03 Jan 1993
Past Prologue
S1E2 / 10 Jan 1993
A Man Alone
S1E3 / 17 Jan 1993
Babel
S1E4 / 24 Jan 1993
Captive Pursuit
S1E5 / 31 Jan 1993
Q-Less
S1E6 / 07 Feb 1993
Dax
S1E7 / 14 Feb 1993
The Passenger
S1E8 / 21 Feb 1993
Move Along Home
S1E9 / 14 Mar 1993
The Nagus
S1E10 / 21 Mar 1993
Vortex
S1E11 / 18 Apr 1993
Battle Lines
S1E12 / 25 Apr 1993
The Storyteller
S1E13 / 02 May 1993
Progress
S1E14 / 09 May 1993
If Wishes Were Horses
S1E15 / 16 May 1993
The Forsaken
S1E16 / 23 May 1993
Dramatis Personae
S1E17 / 30 May 1993
Duet
S1E18 / 13 Jun 1993
In the Hands of the Prophets
S1E19 / 20 Jun 1993
Season 2
The Homecoming (1)
S2E1 / 26 Sep 1993
The Circle (2)
S2E2 / 03 Oct 1993
The Siege (3)
S2E3 / 10 Oct 1993
Invasive Procedures
S2E4 / 17 Oct 1993
Cardassians
S2E5 / 24 Oct 1993
Melora
S2E6 / 31 Oct 1993
Rules of Acquisition
S2E7 / 07 Nov 1993
Necessary Evil
S2E8 / 14 Nov 1993
Second Sight
S2E9 / 21 Nov 1993
Sanctuary
S2E10 / 28 Nov 1993
Rivals
S2E11 / 02 Jan 1994
The Alternate
S2E12 / 09 Jan 1994
Armageddon Game
S2E13 / 30 Jan 1994
Whispers
S2E14 / 06 Feb 1994
Paradise
S2E15 / 13 Feb 1994
Shadowplay
S2E16 / 20 Feb 1994
Playing God
S2E17 / 27 Feb 1994
Profit and Loss
S2E18 / 20 Mar 1994
Blood Oath
S2E19 / 27 Mar 1994
The Maquis (1)
S2E20 / 24 Apr 1994
The Maquis (2)
S2E21 / 01 May 1994
The Wire
S2E22 / 08 May 1994
Crossover
S2E23 / 15 May 1994
The Collaborator
S2E24 / 22 May 1994
Tribunal
S2E25 / 05 Jun 1994
The Jem'Hadar
S2E26 / 12 Jun 1994
Season 3
The Search (1)
S3E1 / 26 Sep 1994
The Search (2)
S3E2 / 03 Oct 1994
The House of Quark
S3E3 / 10 Oct 1994
Equilibrium
S3E4 / 17 Oct 1994
Second Skin
S3E5 / 24 Oct 1994
The Abandoned
S3E6 / 31 Oct 1994
Civil Defense
S3E7 / 07 Nov 1994
Meridian
S3E8 / 14 Nov 1994
Defiant
S3E9 / 21 Nov 1994
Fascination
S3E10 / 28 Nov 1994
Past Tense (1)
S3E11 / 02 Jan 1995
Past Tense (2)
S3E12 / 09 Jan 1995
Life Support
S3E13 / 30 Jan 1995
Heart of Stone
S3E14 / 06 Feb 1995
Destiny
S3E15 / 13 Feb 1995
Prophet Motive
S3E16 / 20 Feb 1995
Visionary
S3E17 / 27 Feb 1995
Distant Voices
S3E18 / 10 Apr 1995
Through the Looking Glass
S3E19 / 17 Apr 1995
Improbable Cause (1)
S3E20 / 24 Apr 1995
The Die Is Cast (2)
S3E21 / 01 May 1995
Explorers
S3E22 / 08 May 1995
Family Business
S3E23 / 15 May 1995
Shakaar
S3E24 / 22 May 1995
Facets
S3E25 / 12 Jun 1995
The Adversary
S3E26 / 19 Jun 1995
Season 4
The Way of the Warrior
S4E1 / 02 Oct 1995
The Visitor
S4E2 / 09 Oct 1995
Hippocratic Oath
S4E3 / 16 Oct 1995
Indiscretion
S4E4 / 23 Oct 1995
Rejoined
S4E5 / 30 Oct 1995
Little Green Men
S4E6 / 06 Nov 1995
Starship Down
S4E7 / 13 Nov 1995
The Sword of Kahless
S4E8 / 20 Nov 1995
Our Man Bashir
S4E9 / 27 Nov 1995
Homefront (1)
S4E10 / 01 Jan 1996
Paradise Lost (2)
S4E11 / 08 Jan 1996
Crossfire
S4E12 / 29 Jan 1996
Return to Grace
S4E13 / 05 Feb 1996
Sons of Mogh
S4E14 / 12 Feb 1996
Bar Association
S4E15 / 19 Feb 1996
Accession
S4E16 / 26 Feb 1996
Rules of Engagement
S4E17 / 08 Apr 1996
Hard Time
S4E18 / 15 Apr 1996
Shattered Mirror
S4E19 / 22 Apr 1996
The Muse
S4E20 / 29 Apr 1996
For the Cause
S4E21 / 06 May 1996
To the Death
S4E22 / 13 May 1996
The Quickening
S4E23 / 20 May 1996
Body Parts
S4E24 / 10 Jun 1996
Broken Link
S4E25 / 17 Jun 1996
Season 5
Apocalypse Rising
S5E1 / 30 Sep 1996
The Ship
S5E2 / 07 Oct 1996
Looking for par'Mach in All the Wrong Places
S5E3 / 14 Oct 1996
Nor the Battle to the Strong
S5E4 / 21 Oct 1996
The Assignment
S5E5 / 28 Oct 1996
Trials and Tribble-ations
S5E6 / 04 Nov 1996
Let He Who Is Without Sin...
S5E7 / 11 Nov 1996
Things Past
S5E8 / 18 Nov 1996
The Ascent
S5E9 / 25 Nov 1996
Rapture
S5E10 / 30 Dec 1996
The Darkness and the Light
S5E11 / 06 Jan 1997
The Begotten
S5E12 / 27 Jan 1997
For the Uniform
S5E13 / 03 Feb 1997
In Purgatory's Shadow (1)
S5E14 / 10 Feb 1997
By Inferno's Light (2)
S5E15 / 17 Feb 1997
Doctor Bashir, I Presume?
S5E16 / 24 Feb 1997
A Simple Investigation
S5E17 / 31 Mar 1997
Business As Usual
S5E18 / 07 Apr 1997
Ties of Blood and Water
S5E19 / 14 Apr 1997
Ferengi Love Songs
S5E20 / 21 Apr 1997
Soldiers of the Empire
S5E21 / 28 Apr 1997
Children of Time
S5E22 / 05 May 1997
Blaze of Glory
S5E23 / 12 May 1997
Empok Nor
S5E24 / 19 May 1997
In the Cards
S5E25 / 09 Jun 1997
Call to Arms
S5E26 / 16 Jun 1997
Season 6
A Time to Stand
S6E1 / 29 Sep 1997
Rocks and Shoals
S6E2 / 06 Oct 1997
Sons and Daughters
S6E3 / 13 Oct 1997
Behind the Lines
S6E4 / 20 Oct 1997
Favor the Bold (1)
S6E5 / 27 Oct 1997
Sacrifice of Angels (2)
S6E6 / 03 Nov 1997
You Are Cordially Invited
S6E7 / 10 Nov 1997
Resurrection
S6E8 / 17 Nov 1997
Statistical Probabilities
S6E9 / 24 Nov 1997
The Magnificent Ferengi
S6E10 / 01 Jan 1998
Waltz
S6E11 / 08 Jan 1998
Who Mourns for Morn?
S6E12 / 04 Feb 1998
Far Beyond the Stars
S6E13 / 11 Feb 1998
One Little Ship
S6E14 / 18 Feb 1998
Honor Among Thieves
S6E15 / 25 Feb 1998
Change of Heart
S6E16 / 04 Mar 1998
Wrongs Darker Than Death or Night
S6E17 / 01 Apr 1998
Inquisition
S6E18 / 08 Apr 1998
In the Pale Moonlight
S6E19 / 15 Apr 1998
His Way
S6E20 / 22 Apr 1998
The Reckoning
S6E21 / 29 Apr 1998
Valiant
S6E22 / 06 May 1998
Profit and Lace
S6E23 / 13 May 1998
Time's Orphan
S6E24 / 20 May 1998
The Sound of Her Voice
S6E25 / 10 Jun 1998
Tears of the Prophets
S6E26 / 17 Jun 1998
Season 7
Image in the Sand
S7E1 / 30 Sep 1998
Shadows and Symbols
S7E2 / 07 Oct 1998
Afterimage
S7E3 / 14 Oct 1998
Take Me Out to the Holosuite
S7E4 / 21 Oct 1998
Chrysalis
S7E5 / 28 Oct 1998
Treachery, Faith, and the Great River
S7E6 / 04 Nov 1998
Once More Unto the Breach
S7E7 / 11 Nov 1998
The Siege of AR-558
S7E8 / 18 Nov 1998
Covenant
S7E9 / 25 Nov 1998
It's Only a Paper Moon
S7E10 / 30 Dec 1998
Prodigal Daughter
S7E11 / 06 Jan 1999
The Emperor's New Cloak
S7E12 / 03 Feb 1999
Field of Fire
S7E13 / 10 Feb 1999
Chimera
S7E14 / 17 Feb 1999
Badda-Bing, Badda-Bang
S7E15 / 24 Feb 1999
Inter Arma Enim Silent Leges
S7E16 / 03 Mar 1999
Penumbra
S7E17 / 07 Apr 1999
'Til Death Do Us Part
S7E18 / 14 Apr 1999
Strange Bedfellows
S7E19 / 21 Apr 1999
The Changing Face of Evil
S7E20 / 28 Apr 1999
When It Rains...
S7E21 / 05 May 1999
Tacking Into the Wind
S7E22 / 12 May 1999
Extreme Measures
S7E23 / 19 May 1999
The Dogs of War
S7E24 / 26 May 1999
What You Leave Behind
S7E25 / 02 Jun 1999
Avery Brooks
Benjamin Sisko
Nana Visitor
Kira Nerys
Colm Meaney
Miles O'Brien
Michael Dorn
Worf
Alexander Siddig
Julian Bashir
Cirroc Lofton
Jake Sisko
Armin Shimerman
Quark
