S02E03: Treachery
King Ecbert finds himself facing an entirely new kind of foe; Ragnar races to dominate in the west; Jarl Borg has his own plans in store for the future of Kattegat.
Previous Episode 
Season 1
Rites of Passage
S1E1 / 03 Mar 2013
Wrath of the Northmen
S1E2 / 10 Mar 2013
Dispossessed
S1E3 / 17 Mar 2013
Trial
S1E4 / 24 Mar 2013
Raid
S1E5 / 31 Mar 2013
Burial of the Dead
S1E6 / 07 Apr 2013
A King's Ransom
S1E7 / 14 Apr 2013
Sacrifice
S1E8 / 21 Apr 2013
All Change
S1E9 / 28 Apr 2013
Season 2
Brother's War
S2E1 / 27 Feb 2014
Invasion
S2E2 / 06 Mar 2014
Treachery
S2E3 / 13 Mar 2014
Eye for an Eye
S2E4 / 20 Mar 2014
Answers in Blood
S2E5 / 27 Mar 2014
Unforgiven
S2E6 / 03 Apr 2014
Blood Eagle
S2E7 / 10 Apr 2014
Boneless
S2E8 / 17 Apr 2014
The Choice
S2E9 / 24 Apr 2014
The Lord's Prayer
S2E10 / 01 May 2014
Season 3
Mercenary
S3E1 / 19 Feb 2015
The Wanderer
S3E2 / 26 Feb 2015
Warrior's Fate
S3E3 / 05 Mar 2015
Scarred
S3E4 / 12 Mar 2015
The Usurper
S3E5 / 19 Mar 2015
Born Again
S3E6 / 26 Mar 2015
Paris
S3E7 / 02 Apr 2015
To the Gates!
S3E8 / 09 Apr 2015
Breaking Point
S3E9 / 16 Apr 2015
The Dead
S3E10 / 23 Apr 2015
Season 4
A Good Treason
S4E1 / 18 Feb 2016
Kill the Queen
S4E2 / 25 Feb 2016
Mercy
S4E3 / 03 Mar 2016
Yol
S4E4 / 10 Mar 2016
Promised
S4E5 / 17 Mar 2016
What Might Have Been
S4E6 / 24 Mar 2016
The Profit and the Loss
S4E7 / 31 Mar 2016
Portage
S4E8 / 07 Apr 2016
Death All 'Round
S4E9 / 14 Apr 2016
The Last Ship
S4E10 / 21 Apr 2016
The Outsider
S4E11 / 30 Nov 2016
The Vision
S4E12 / 07 Dec 2016
Two Journeys
S4E13 / 14 Dec 2016
In the Uncertain Hour Before the Morning
S4E14 / 21 Dec 2016
All His Angels
S4E15 / 28 Dec 2016
Crossings
S4E16 / 04 Jan 2017
The Great Army
S4E17 / 11 Jan 2017
Revenge
S4E18 / 18 Jan 2017
On the Eve
S4E19 / 25 Jan 2017
The Reckoning
S4E20 / 01 Feb 2017
Season 5
The Departed (1)
S5E1 / 29 Nov 2017
The Departed (2)
S5E2 / 29 Nov 2017
Homeland
S5E3 / 06 Dec 2017
The Plan
S5E4 / 13 Dec 2017
The Prisoner
S5E5 / 20 Dec 2017
The Message
S5E6 / 27 Dec 2017
Full Moon
S5E7 / 03 Jan 2018
The Joke
S5E8 / 10 Jan 2018
A Simple Story
S5E9 / 17 Jan 2018
Moments of Vision
S5E10 / 24 Jan 2018
The Revelation
S5E11 / 28 Nov 2018
Murder Most Foul
S5E12 / 05 Dec 2018
A New God
S5E13 / 12 Dec 2018
The Lost Moment
S5E14 / 19 Dec 2018
Hell
S5E15 / 26 Dec 2018
The Buddha
S5E16 / 02 Jan 2019
The Most Terrible Thing
S5E17 / 09 Jan 2019
Baldur
S5E18 / 16 Jan 2019
What Happens in the Cave
S5E19 / 23 Jan 2019
Ragnarok
S5E20 / 30 Jan 2019
Season 6
New Beginnings
S6E1 / 04 Dec 2019
The Prophet
S6E2 / 04 Dec 2019
Ghosts, Gods and Running Dogs
S6E3 / 11 Dec 2019
All the Prisoners
S6E4 / 18 Dec 2019
The Key
S6E5 / 01 Jan 2020
Death and the Serpent
S6E6 / 08 Jan 2020
The Ice Maiden
S6E7 / 15 Jan 2020
Valhalla Can Wait
S6E8 / 22 Jan 2020
Resurrection
S6E9 / 29 Jan 2020
The Best Laid Plans
S6E10 / 05 Feb 2020
King of Kings
S6E11 / 30 Dec 2020
All Change
S6E12 / 30 Dec 2020
The Signal
S6E13 / 30 Dec 2020
Lost Souls
S6E14 / 30 Dec 2020
All at Sea
S6E15 / 30 Dec 2020
The Final Straw
S6E16 / 30 Dec 2020
The Raft of Medusa
S6E17 / 30 Dec 2020
It's Only Magic
S6E18 / 30 Dec 2020
The Lord Giveth...
S6E19 / 30 Dec 2020
The Last Act
S6E20 / 30 Dec 2020
Alex Høgh Andersen
Ivar Lothbrok / Ivar the Boneless
Jordan Patrick Smith
Ubbe Lothbrok
Marco Ilsø
Hvitserk Lothbrok
Peter Franzén
King Harald Finehair
Georgia Hirst
Torvi
