S11E10: Ancient History
While Aspheera pursues revenge on the "Treacherous Deceiver" who betrayed her, the ninjas make a startling discovery.
Previous Episode 
Season 1
Rise of the Snakes
S1E1 / 11 Jan 2012
Home
S1E2 / 18 Jan 2012
Snakebit
S1E3 / 25 Jan 2012
Never Trust a Snake
S1E4 / 01 Feb 2012
Can of Worms
S1E5 / 08 Feb 2012
The Snake King
S1E6 / 15 Feb 2012
Tick Tock
S1E7 / 22 Feb 2012
Once Bitten, Twice Shy
S1E8 / 07 Mar 2012
The Royal Blacksmiths
S1E9 / 14 Mar 2012
The Green Ninja
S1E10 / 21 Mar 2012
All of Nothing
S1E11 / 28 Mar 2012
The Rise of the Great Devourer
S1E12 / 04 Apr 2012
Day of the Great Devourer
S1E13 / 11 Apr 2012
Season 2
Darkness Shall Rise
S2E1 / 18 Jul 2012
Pirates vs. Ninja
S2E2 / 25 Jul 2012
Double Trouble
S2E3 / 01 Aug 2012
Ninjaball Run
S2E4 / 08 Aug 2012
Child's Play
S2E5 / 15 Aug 2012
Wrong Place, Wrong Time
S2E6 / 22 Aug 2012
The Stone Army
S2E7 / 03 Oct 2012
The Day Ninjago Stood Still
S2E8 / 10 Oct 2012
The Last Voyage
S2E9 / 17 Oct 2012
Island of Darkness
S2E10 / 24 Oct 2012
The Last Hope
S2E11 / 07 Nov 2012
Return of the Overlord
S2E12 / 14 Nov 2012
Rise of the Spinjitzu Master
S2E13 / 21 Nov 2012
Season 3
The Surge
S3E1 / 29 Jan 2014
The Art of the Silent Fist
S3E2 / 29 Jan 2014
Blackout
S3E3 / 16 Apr 2014
The Curse of the Golden Master
S3E4 / 16 Apr 2014
Enter the Digiverse
S3E5 / 13 Jul 2014
Codename: Arcturus
S3E6 / 13 Jul 2014
The Void
S3E7 / 26 Nov 2014
The Titanium Ninja
S3E8 / 26 Nov 2014
Season 4
The Invitation
S4E1 / 23 Feb 2015
Only One Can Remain
S4E2 / 02 Mar 2015
Versus
S4E3 / 09 Mar 2015
Ninja Roll
S4E4 / 16 Mar 2015
Spy For a Spy
S4E5 / 23 Mar 2015
Spellbound
S4E6 / 30 Mar 2015
The Forgotten Element
S4E7 / 31 Mar 2015
The Day of the Dragon
S4E8 / 01 Apr 2015
The Greatest Fear of All
S4E9 / 02 Apr 2015
The Corridor of Elders
S4E10 / 03 Apr 2015
Season 5
Winds of Change
S5E1 / 29 Jun 2015
Ghost Story
S5E2 / 30 Jun 2015
Stiix & Stones
S5E3 / 01 Jul 2015
The Temple on Haunted Hill
S5E4 / 02 Jul 2015
Peak-a-Boo
S5E5 / 03 Jul 2015
Kingdom Come
S5E6 / 06 Jul 2015
The Crooked Path
S5E7 / 07 Jul 2015
Grave Danger
S5E8 / 08 Jul 2015
Curseworld (1)
S5E9 / 09 Jul 2015
Curseworld (2)
S5E10 / 10 Jul 2015
Season 6
Infamous
S6E1 / 09 Jun 2016
Public Enemy Number One
S6E2 / 16 Jun 2016
Enkrypted
S6E3 / 23 Jun 2016
Misfortune Rising
S6E4 / 30 Jun 2016
On a Wish and a Prayer
S6E5 / 11 Jul 2016
My Dinner with Nadakhan
S6E6 / 12 Jul 2016
Wishmasters
S6E7 / 13 Jul 2016
The Last Resort
S6E8 / 14 Jul 2016
Operation Land Ho!
S6E9 / 15 Jul 2016
The Way Back
S6E10 / 15 Jul 2016
Season 7
The Hands of Time
S7E1 / 15 May 2017
The Hatching
S7E2 / 16 May 2017
A Time of Traitors
S7E3 / 17 May 2017
Scavengers
S7E4 / 18 May 2017
A Line in the Sand
S7E5 / 19 May 2017
The Attack
S7E6 / 22 May 2017
Secrets Discovered
S7E7 / 23 May 2017
Pause and Effect
S7E8 / 24 May 2017
Out of the Fire and Into the Boiling Sea
S7E9 / 25 May 2017
Lost in Time
S7E10 / 26 May 2017
Season 8
The Mask of Deception
S8E1 / 16 Apr 2018
The Jade Princess
S8E2 / 23 Apr 2018
The Oni and the Dragon
S8E3 / 30 Apr 2018
Snake Jaguar
S8E4 / 07 May 2018
Dead Man's Squall
S8E5 / 14 May 2018
The Quiet One
S8E6 / 21 May 2018
Game of Masks
S8E7 / 22 May 2018
Dread on Arrival
S8E8 / 23 May 2018
True Potential
S8E9 / 24 May 2018
Big Trouble, Little Ninjago
S8E10 / 25 May 2018
Season 9
Firstbourne
S9E1 / 03 Sep 2018
Iron & Stone
S9E2 / 04 Sep 2018
Radio Free Ninjago
S9E3 / 05 Sep 2018
How to Build a Dragon
S9E4 / 06 Sep 2018
The Gilded Path
S9E5 / 07 Sep 2018
Two Lies, One Truth
S9E6 / 10 Sep 2018
The Weakest Link
S9E7 / 11 Sep 2018
Saving Faith
S9E8 / 12 Sep 2018
Lessons for a Master
S9E9 / 13 Sep 2018
Green Destiny
S9E10 / 14 Sep 2018
Season 10
The Darkness Comes
S10E1 / 19 Jan 2019
Into the Breach
S10E2 / 26 Jan 2019
The Fall
S10E3 / 02 Feb 2019
Endings
S10E4 / 09 Feb 2019
Season 11
Wasted True Potential
S11E1 / 22 Jun 2019
Questing for Quests
S11E2 / 22 Jun 2019
A Rocky Start
S11E3 / 29 Jun 2019
The Belly of The Beast
S11E4 / 29 Jun 2019
Boobytraps and How to Survive Them
S11E5 / 06 Jul 2019
The News Never Sleeps
S11E6 / 06 Jul 2019
Ninja vs Lava
S11E7 / 13 Jul 2019
Snaketastrophy
S11E8 / 13 Jul 2019
Powerless
S11E9 / 20 Jul 2019
Ancient History
S11E10 / 20 Jul 2019
Never Trust a Human
S11E11 / 27 Jul 2019
Under Siege
S11E12 / 27 Jul 2019
The Explorers Club
S11E13 / 03 Aug 2019
Vengeance is Mine!
S11E14 / 03 Aug 2019
A Cold Goodbye
S11E15 / 10 Aug 2019
The Never-Realm
S11E16 / 17 Aug 2019
Fire Maker
S11E17 / 24 Aug 2019
An Unlikely Ally
S11E18 / 24 Aug 2019
The Absolute Worst
S11E19 / 07 Sep 2019
The Message
S11E20 / 07 Sep 2019
The Traveler's Tree
S11E21 / 14 Sep 2019
Krag's Lament
S11E22 / 14 Sep 2019
Secret of the Wolf
S11E23 / 21 Sep 2019
The Last of the Formlings
S11E24 / 21 Sep 2019
My Enemy, My Friend
S11E25 / 28 Sep 2019
The Kaiju Protocol
S11E26 / 05 Oct 2019
Corruption
S11E27 / 12 Oct 2019
A Fragile Hope
S11E28 / 19 Oct 2019
Once and For All
S11E29 / 26 Oct 2019
Awakenings
S11E30 / 02 Nov 2019
Season 12
Would You Like to Enter Prime Empire?
S12E1 / 19 Jul 2020
Dyer Island
S12E2 / 19 Jul 2020
Level Thirteen
S12E3 / 19 Jul 2020
Superstar Rockin' Jay
S12E4 / 19 Jul 2020
I am Okino
S12E5 / 26 Jul 2020
The Glitch
S12E6 / 26 Jul 2020
The Cliffs of Hysteria
S12E7 / 02 Aug 2020
The Maze of the Red Dragon
S12E8 / 02 Aug 2020
One Step Forward, Two Steps Back
S12E9 / 09 Aug 2020
Racer Seven
S12E10 / 09 Aug 2020
The Speedway Five-Billion
S12E11 / 16 Aug 2020
Stop, Drop and Side Scroll
S12E12 / 16 Aug 2020
Ninjago Confidential
S12E13 / 23 Aug 2020
The Prodigal Father
S12E14 / 23 Aug 2020
The Temple of Madness
S12E15 / 30 Aug 2020
Game Over
S12E16 / 30 Aug 2020
Season 13
Shintaro
S13E1 / 06 Jul 2020
Into the Dark
S13E2 / 06 Jul 2020
The Worst Rescue Ever
S13E3 / 07 Jul 2020
The Two Blades
S13E4 / 08 Jul 2020
Queen of the Munce
S13E5 / 09 Jul 2020
Trial By Mino
S13E6 / 10 Jul 2020
The Skull Sorcerer
S13E7 / 13 Jul 2020
The Real Fall
S13E8 / 14 Jul 2020
Dungeon Party!
S13E9 / 15 Jul 2020
Dungeon Crawl!
S13E10 / 16 Jul 2020
Grief-Bringer
S13E11 / 17 Jul 2020
Masters Never Quit
S13E12 / 20 Jul 2020
The Darkest Hour
S13E13 / 21 Jul 2020
The Ascent
S13E14 / 22 Jul 2020
The Upply Strike Back!
S13E15 / 23 Jul 2020
The Son of Lilly
S13E16 / 24 Jul 2020
Season 14
Uncharted
S14E1 / 07 Mar 2021
The Keepers of the Amulet
S14E2 / 07 Mar 2021
The Gift of Jay
S14E3 / 14 Mar 2021
The Tooth of Wojira
S14E4 / 14 Mar 2021
Season 15
A Big Splash
S15E1 / 04 Apr 2021
The Call of the Deep
S15E2 / 04 Apr 2021
Unsinkable
S15E3 / 11 Apr 2021
Five Thousand Fathoms Down
S15E4 / 11 Apr 2021
The Wrath of Kalmaar
S15E5 / 18 Apr 2021
Long Live the King
S15E6 / 18 Apr 2021
Escape from Merlopia
S15E7 / 25 Apr 2021
The Tale of Benthomaar
S15E8 / 25 Apr 2021
The Storm Amulet
S15E9 / 02 May 2021
Riddle of the Sphinx
S15E10 / 02 May 2021
Papergirl
S15E11 / 09 May 2021
Master of the Sea
S15E12 / 09 May 2021
The Calm Before the Storm
S15E13 / 16 May 2021
Assault on Ninjago City
S15E14 / 16 May 2021
Nyad
S15E15 / 23 May 2021
The Turn of the Tide
S15E16 / 23 May 2021
Season 16
Farewell The Sea
S16E1 / 20 May 2022
The Call of Home
S16E2 / 20 May 2022
The Shape of Nya
S16E3 / 20 May 2022
A Mayor Problem
S16E4 / 20 May 2022
Public Enemies 1, 2, 3, 4 and 5!
S16E5 / 20 May 2022
A Painful Promise
S16E6 / 20 May 2022
Ninjago City vs Ninja
S16E7 / 20 May 2022
Kryptarium Prison Blues
S16E8 / 20 May 2022
Hounddog McBrag
S16E9 / 20 May 2022
The Benefit of Grief
S16E10 / 20 May 2022
The Fifth Villain
S16E11 / 20 May 2022
The Council of the Crystal King
S16E12 / 20 May 2022
A Sinister Shadow
S16E13 / 01 Oct 2022
The Spider's Design
S16E14 / 01 Oct 2022
The Fall of the Monastery
S16E15 / 01 Oct 2022
Darkness Within
S16E16 / 01 Oct 2022
The Coming of the King
S16E17 / 01 Oct 2022
Return to Primeval's Eye
S16E18 / 01 Oct 2022
Crystastrophe
S16E19 / 01 Oct 2022
Christofern
S16E20 / 01 Oct 2022
A Lesson in Anger
S16E21 / 01 Oct 2022
Brave But Foolish
S16E22 / 01 Oct 2022
Quittin' Time!
S16E23 / 01 Oct 2022
Return of the Ice Emperor
S16E24 / 01 Oct 2022
Safe Haven
S16E25 / 01 Oct 2022
Compatible
S16E26 / 01 Oct 2022
Distress Calls
S16E27 / 01 Oct 2022
An Issue of Trust
S16E28 / 01 Oct 2022
Dragon Form
S16E29 / 01 Oct 2022
Roots
S16E30 / 01 Oct 2022
Dan Hageman
Writer
