Episode:Chain Reaction

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"Chain Reaction"

An episode from Stargate SG-1

"Mr." George Hammond

Episode Nb

Season 4
Episode 15

Directed by

Martin Wood

Original air date

USA: January 5, 2001

UK: December 13, 2000

Australia: September 20, 2001

Guest starring

Episode chronology

"The Serpent's Venom"

"2010"

SG-1 must adjust to a new commanding officer when General Hammond steps down — but O'Neill discovers foul play behind the general's resignation.

"Chain Reaction" is the 15th episode of Stargate SG-1 Season 4.

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Template:Appearances Chain Reaction

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Stargate SG-1 episodes navbox

Previous: "The Serpent's Venom""Chain Reaction"Next: "2010"

Season 1

01/02. "Children of the Gods" • 03. "The Enemy Within" • 04. "Emancipation" • 05. "The Broca Divide" • 06. "The First Commandment" • 07. "Cold Lazarus" • 08. "The Nox" • 09. "Brief Candle" • 10. "Thor's Hammer" • 11."The Torment of Tantalus" • 12. "Bloodlines" • 13. "Fire and Water" • 14. "Hathor" • 15. "Singularity" • 16. "Cor-ai" • 17. "Enigma" • 18. "Solitudes" • 19. "Tin Man" • 20. "There But For the Grace of God" • 21. "Politics" (1/3) • 22. "Within the Serpent's Grasp" (2/3)

Season 2

01. "The Serpent's Lair" (3/3) • 02. "In the Line of Duty" • 03. "Prisoners" • 04. "The Gamekeeper" • 05. "Need" • 06. "Thor's Chariot" • 07. "Message in a Bottle" • 08. "Family" • 09. "Secrets" • 10. "Bane" • 11. "The Tok'ra", Part 1 (1/2) • 12. "The Tok'ra", Part 2 (2/2) • 13. "Spirits" • 14. "Touchstone" • 15. "The Fifth Race" • 16. "A Matter of Time" • 17. "Holiday" • 18. "Serpent's Song" • 19. "One False Step" • 20. "Show and Tell" • 21. "1969" • 22. "Out of Mind" (1/2)

Season 3

01. "Into the Fire" (2/2) • 02. "Seth" • 03. "Fair Game" • 04. "Legacy" • 05. "Learning Curve" • 06. "Point of View" • 07. "Deadman Switch" • 08. "Demons" • 09. "Rules of Engagement" • 10. "Forever in a Day" • 11. "Past and Present" • 12. "Jolinar's Memories" (1/2) • 13. "The Devil You Know" (2/2) • 14. "Foothold" • 15. "Pretense" • 16. "Urgo" • 17. "A Hundred Days" • 18. "Shades of Grey" • 19. "New Ground" • 20. "Maternal Instinct" • 21. "Crystal Skull" • 22. "Nemesis" (1/2)

Season 4

01. "Small Victories" (2/2) • 02. "The Other Side" • 03. "Upgrades" • 04. "Crossroads" • 05. "Divide and Conquer" • 06. "Window of Opportunity" • 07. "Watergate" • 08. "The First Ones" • 09. "Scorched Earth" • 10. "Beneath the Surface" • 11. "Point of No Return" • 12. "Tangent" • 13. "The Curse" • 14. "The Serpent's Venom" • 15. "Chain Reaction" • 16. "2010" • 17. "Absolute Power" • 18. "The Light" • 19. "Prodigy" • 20. "Entity" • 21. "Double Jeopardy" • 22. "Exodus" (1/2)

Season 5

01. "Enemies" (2/2) • 02. "Threshold" • 03. "Ascension" • 04. "The Fifth Man" • 05. "Red Sky" • 06. "Rite of Passage" • 07. "Beast of Burden" • 08. "The Tomb" • 09. "Between Two Fires" • 10. "2001" • 11. "Desperate Measures" • 12. "Wormhole X-Treme!" • 13. "Proving Ground" • 14. "48 Hours" • 15. "Summit" (1/2) • 16. "Last Stand" (2/2) • 17. "Fail Safe" • 18. "The Warrior" • 19. "Menace" • 20. "The Sentinel" • 21. "Meridian" • 22. "Revelations"

Season 6

01. "Redemption", Part 1 • 02. "Redemption", Part 2 • 03. "Descent" • 04. "Frozen" • 05. "Nightwalkers" • 06. "Abyss" • 07. "Shadow Play" • 08. "The Other Guys" • 09. "Allegiance" • 10. "Cure" • 11. "Prometheus" (1/2) • 12. "Unnatural Selection" (2/2) • 13. "Sight Unseen" • 14. "Smoke & Mirrors" • 15. "Paradise Lost" • 16. "Metamorphosis" • 17. "Disclosure" • 18. "Forsaken" • 19. "The Changeling" • 20. "Memento" • 21. "Prophecy" • 22. "Full Circle"

Season 7

01. "Fallen" (1/2) • 02. "Homecoming" (2/2) • 03. "Fragile Balance" • 04. "Orpheus" • 05. "Revisions" • 06. "Lifeboat" • 07. "Enemy Mine" • 08. "Space Race" • 09. "Avenger 2.0" • 10. "Birthright" • 11. "Evolution", Part 1 (1/2) • 12. "Evolution", Part 2 (2/2) • 13. "Grace" • 14. "Fallout" • 15. "Chimera" • 16. "Death Knell" • 17. "Heroes", Part 1 (1/2) • 18. "Heroes", Part 2 (2/2) • 19. "Resurrection" • 20. "Inauguration" • 21. "Lost City", Part 1 (1/2) • 22. "Lost City", Part 2 (2/2)

Season 8

01. "New Order", Part 1 (1/2) • 02. "New Order", Part 2 (2/2) • 03. "Lockdown" • 04. "Zero Hour" • 05. "Icon" • 06. "Avatar" • 07. "Affinity" • 08. "Covenant" • 09. "Sacrifices" • 10. "Endgame" • 11. "Gemini" • 12. "Prometheus Unbound" • 13. "It's Good To Be King" • 14. "Full Alert" • 15. "Citizen Joe" • 16. "Reckoning", Part 1 (1/2) • 17. "Reckoning", Part 2 (2/2) • 18. "Threads" • 19. "Moebius", Part 1 (1/2) • 20. "Moebius", Part 2 (2/2)

Season 9

01. "Avalon", Part 1 (1/3) • 02. "Avalon", Part 2 (2/3) • 03. "Origin" (3/3) • 04. "The Ties That Bind" • 05. "The Powers That Be" • 06. "beachhead" • 07. "Ex Deus Machina" • 08. "Babylon" • 09. "Prototype" • 10. "The Fourth Horseman", Part 1 (1/2) • 11. "The Fourth Horseman", Part 2 (2/2) • 12. "Collateral Damage" • 13. "Ripple Effect" • 14. "Stronghold" • 15. "Ethon" • 16. "Off the Grid" • 17. "The Scourge" • 18. "Arthur's Mantle" • 19. "Crusade" • 09. "Camelot"

Season 10

01. "Flesh and Blood" • 02. "Morpheus" • 03. "The Pegasus Project" • 04. "Insiders" • 05. "Uninvited" • 06. "200" • 07. "Counterstrike" • 08. "Memento Mori" • 09. "Company of Thieves" • 10. "The Quest", Part 1 (1/2) • 11. "The Quest", Part 2 (2/2) • 12. "Line in the Sand" • 13. "The Road Not Taken" • 14. "The Shroud" • 15. "Bounty" • 16. "Bad Guys" • 17. "Talion" • 18. "Family Ties" • 19. "Dominion" • 20. "Unending"

See also: Stargate • Stargate Atlantis • Stargate: The Ark of Truth • Stargate: Continuum • Stargate Universe • Kino webisodes

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