S04E14: Keys to The Kingdom
Zo'or threatens to attack the earth after an artifact containing the secret to synthesise taelon core energy is stolen from the mothership.
Previous Episode 
Season 1
Decision
S1E1 / 06 Oct 1997
Truth
S1E2 / 13 Oct 1997
Miracle
S1E3 / 20 Oct 1997
Avatar
S1E4 / 27 Oct 1997
Old Flame
S1E5 / 03 Nov 1997
Float Like A Butterfly
S1E6 / 10 Nov 1997
Resurrection
S1E7 / 17 Nov 1997
Horizon Zero
S1E8 / 24 Nov 1997
Scorpions Dream
S1E9 / 29 Dec 1997
Live Free Or Die
S1E10 / 05 Jan 1998
The Scarecrow Returns
S1E11 / 12 Jan 1998
Sandoval's Run
S1E12 / 19 Jan 1998
The Secret Of Strandhill
S1E13 / 02 Feb 1998
Pandora's Box
S1E14 / 09 Feb 1998
If You Could Read My Mind
S1E15 / 16 Feb 1998
Wrath of Achilles
S1E16 / 23 Feb 1998
The Devil You Know
S1E17 / 13 Apr 1998
Law & Order
S1E18 / 20 Apr 1998
Through The Looking Glass
S1E19 / 27 Apr 1998
Infection
S1E20 / 27 Jul 1998
Destruction
S1E21 / 04 May 1998
The Joining
S1E22 / 11 May 1998
Season 2
First of its Kind
S2E1 / 05 Oct 1998
Atavus
S2E2 / 12 Oct 1998
A Stitch in Time
S2E3 / 19 Oct 1998
Dimensions
S2E4 / 26 Oct 1998
Moonscape
S2E5 / 02 Nov 1998
Sleepers
S2E6 / 09 Nov 1998
Fissures
S2E7 / 16 Nov 1998
Redemption
S2E8 / 23 Nov 1998
Isabel
S2E9 / 28 Dec 1998
Between Heaven and Hell
S2E10 / 04 Jan 1999
Gauntlet
S2E11 / 11 Jan 1999
One Man's Castle
S2E12 / 18 Jan 1999Second Chances
S2E13 / 01 Feb 1999
Payback
S2E14 / 08 Feb 1999
Friendly Fire
S2E15 / 15 Feb 1999
Volunteers
S2E16 / 22 Feb 1999
Bliss
S2E17 / 12 Apr 1999
Highjacked
S2E18 / 19 Apr 1999
Defector
S2E19 / 26 Apr 1999
Heroes & Heartbreak
S2E20 / 03 May 1999
Message in a Bottle
S2E21 / 10 May 1999
Crossfire
S2E22 / 17 May 1999
Season 3
Crackdown
S3E1 / 04 Oct 1999
The Vanished
S3E2 / 11 Oct 1999
Emancipation
S3E3 / 18 Oct 1999
Déjà Vu
S3E4 / 25 Oct 1999
The Once and Future World
S3E5 / 01 Nov 1999
Thicker Than Blood
S3E6 / 08 Nov 1999
A Little Bit of Heaven
S3E7 / 15 Nov 1999
Pad'ar
S3E8 / 22 Nov 1999
In Memory
S3E9 / 29 Nov 1999
The Cloister
S3E10 / 11 Dec 1999
Interview
S3E11 / 03 Jan 2000
Keep Your Enemies Closer
S3E12 / 10 Jan 2000
Subterfuge
S3E13 / 17 Jan 2000
Scorched Earth
S3E14 / 07 Feb 2000
Sanctuary
S3E15 / 14 Feb 2000
Through Your Eyes
S3E16 / 21 Feb 2000
Time Bomb
S3E17 / 28 Feb 2000
The Fields
S3E18 / 17 Apr 2000
Apparition
S3E19 / 24 Apr 2000
One Taelon Avenue
S3E20 / 01 May 2000
Abduction
S3E21 / 08 May 2000
Arrival
S3E22 / 15 May 2000
Season 4
The Forge of Creation
S4E1 / 02 Oct 2000
Sins of The Father
S4E2 / 09 Oct 2000
First Breath
S4E3 / 16 Oct 2000
Limbo
S4E4 / 23 Oct 2000
Motherlode
S4E5 / 30 Oct 2000
Take No Prisoners
S4E6 / 06 Nov 2000
The Second Wave
S4E7 / 13 Nov 2000
Essence
S4E8 / 20 Nov 2000
Phantom Companion
S4E9 / 27 Nov 2000
Dream Stalker
S4E10 / 04 Dec 2000
Lost Generation
S4E11 / 15 Jan 2001
The Summit
S4E12 / 22 Jan 2001
Dark Matter
S4E13 / 29 Jan 2001
Keys to The Kingdom
S4E14 / 05 Feb 2001
Street Chase
S4E15 / 12 Feb 2001
Trapped by Time
S4E16 / 19 Feb 2001
Atonement
S4E17 / 26 Feb 2001
Blood Ties
S4E18 / 16 Apr 2001
Hearts and Minds
S4E19 / 23 Apr 2001
Epiphany
S4E20 / 30 Apr 2001
Dark Horizons
S4E21 / 07 May 2001
Point of No Return
S4E22 / 15 May 2001
Season 5
UnEarthed
S5E1 / 01 Oct 2001
Pariahs
S5E2 / 08 Oct 2001
The Seduction
S5E3 / 15 Oct 2001
Subterra
S5E4 / 22 Oct 2001
Boone's Awakening
S5E5 / 29 Oct 2001
Termination
S5E6 / 05 Nov 2001
Guilty Conscience
S5E7 / 12 Nov 2001
Boone's Assassin
S5E8 / 19 Nov 2001
EnTombed
S5E9 / 26 Nov 2001
Legacy
S5E10 / 14 Jan 2002
Death Suite
S5E11 / 21 Jan 2002
Atavus High
S5E12 / 28 Jan 2002
Deep Sleep
S5E13 / 04 Feb 2002
Art of War
S5E14 / 11 Feb 2002
Grave Danger
S5E15 / 18 Feb 2002
Deportation
S5E16 / 25 Feb 2002
Honor And Duty
S5E17 / 08 Apr 2002
Bad Genes
S5E18 / 15 Apr 2002
Subversion
S5E19 / 22 Apr 2002
Street Wise
S5E20 / 29 Apr 2002
The Journey
S5E21 / 13 May 2002
Final Conflict
S5E22 / 20 May 2002
Jayne Heitmeyer
Renee Palmer
Von Flores
Ronald Sandoval
Alan van Sprang
Howlyn
Melinda Deines
Juliet Street
