S03E21: The Secret Library: The Tale of the Noble Knight
Sofia visits her secret library and learns the tale of the Noble Knight seeking the Ice Fire Shield.
Previous Episode 
Season 1
Just One of the Princes
S1E1 / 11 Jan 2013
The Big Sleepover
S1E2 / 18 Jan 2013
Let the Good Times Troll
S1E3 / 25 Jan 2013
Cedric's Apprentice
S1E4 / 01 Feb 2013
A Royal Mess
S1E5 / 08 Feb 2013
The Shy Princess
S1E6 / 22 Feb 2013
Blue Ribbon Bunny
S1E7 / 15 Mar 2013
The Princess Test
S1E8 / 12 Apr 2013
Baileywick's Day Off
S1E9 / 26 Apr 2013
Tri-Kingdom Picnic
S1E10 / 17 May 2013
The Little Witch
S1E11 / 31 May 2013
Two to Tangu
S1E12 / 14 Jun 2013
Finding Clover
S1E13 / 28 Jun 2013
The Amulet of Avalor
S1E14 / 12 Jul 2013
The Buttercups
S1E15 / 02 Aug 2013
Make Way for Miss Nettle
S1E16 / 23 Aug 2013
The Amulet and the Anthem
S1E17 / 13 Sep 2013
Tea for Too Many
S1E18 / 27 Sep 2013
Princess Butterfly
S1E19 / 11 Oct 2013
Great Aunt-Venture
S1E20 / 25 Oct 2013
The Baker King
S1E21 / 08 Nov 2013
The Floating Palace Part 1
S1E22 / 24 Nov 2013
The Floating Palace Part 2
S1E23 / 24 Nov 2013
Holiday in Enchancia
S1E24 / 01 Dec 2013
Four's a Crowd
S1E25 / 14 Feb 2014
Season 2
Two Princesses and a Baby
S2E1 / 07 Mar 2014
The Enchanted Feast
S2E2 / 04 Apr 2014
The Flying Crown
S2E3 / 11 Apr 2014
Mom's the Word
S2E4 / 25 Apr 2014
The Silent Knight
S2E5 / 09 May 2014
Enchanted Science Fair
S2E6 / 30 May 2014
King for a Day
S2E7 / 27 Jun 2014
When You Wish Upon a Well
S2E8 / 11 Jul 2014
Gizmo Gwen
S2E9 / 25 Jul 2014
Sofia the Second
S2E10 / 01 Aug 2014
Mystic Meadows
S2E11 / 08 Aug 2014
Princesses to the Rescue!
S2E12 / 15 Aug 2014
Ghostly Gala
S2E13 / 03 Oct 2014
The Emerald Key
S2E14 / 11 Oct 2014
Scrambled Pets
S2E15 / 17 Oct 2014
The Princess Stays in the Picture
S2E16 / 24 Oct 2014
Baileywhoops
S2E17 / 07 Nov 2014
The Curse of Princess Ivy
S2E18 / 23 Nov 2014
Winter's Gift
S2E19 / 12 Dec 2014
The Leafsong Festival
S2E20 / 16 Jan 2015
Substitute Cedric
S2E21 / 20 Feb 2015
Clover Time
S2E22 / 27 Mar 2015
In a Tizzy
S2E23 / 27 Mar 2015
A Tale of Two Teams
S2E24 / 27 Mar 2015
The Littlest Princess
S2E25 / 01 Jul 2015
Buttercup Amber
S2E26 / 08 Jul 2015
Carol of the Arrow
S2E27 / 15 Jul 2015
Sidekick Clio
S2E28 / 22 Jul 2015
Season 3
Cool Hand Fluke
S3E1 / 05 Aug 2015
Minimus Is Missing
S3E2 / 12 Aug 2015
Cedric Be Good
S3E3 / 18 Sep 2015
Princess Adventure Club
S3E4 / 15 Sep 2015
Minding the Manor
S3E5 / 02 Oct 2015
The Secret Library
S3E6 / 12 Oct 2015
New Genie on the Block
S3E7 / 16 Oct 2015
The Fliegel Has Landed
S3E8 / 23 Oct 2015
The Princess Ballet
S3E9 / 01 Nov 2015
All the Sprite Moves
S3E10 / 06 Nov 2015
Sofia in Elvenmoor
S3E11 / 13 Nov 2015
Stormy Lani
S3E12 / 20 Nov 2015
Lord of the Rink
S3E13 / 04 Dec 2015
The Secret Library: Olaf and the Tale of Miss Nettle
S3E14 / 15 Feb 2016
Gone With the Wand
S3E15 / 04 Mar 2016
Bad Little Dragon
S3E16 / 11 Mar 2016
Bunny Swap
S3E17 / 25 Mar 2016
Her Royal Spyness
S3E18 / 08 Apr 2016
Best in Air Show
S3E19 / 06 May 2016
Dads and Daughters Day
S3E20 / 17 Jun 2016
The Secret Library: The Tale of the Noble Knight
S3E21 / 01 Jul 2016
The Bamboo Kite
S3E22 / 08 Jul 2016
Beauty Is the Beast
S3E23 / 12 Aug 2016
Cauldronation Day
S3E24 / 07 Oct 2016
Camp Wilderwood
S3E25 / 28 Oct 2016
Royal Vacation
S3E26 / 11 Nov 2016
Hexley Hall
S3E27 / 20 Nov 2016
The Princess Prodigy
S3E28 / 10 Feb 2017
One for the Books
S3E29 / 31 Mar 2017
Season 4
Day of the Sorcerers
S4E1 / 28 Apr 2017
The Secret Library: Tale of the Eternal Torch
S4E2 / 05 May 2017
The Crown of Blossoms
S4E3 / 12 May 2017
Pin the Blame on the Genie
S4E4 / 19 May 2017
The Mystic Isles
S4E5 / 24 Jun 2017
The Mystic Isles: The Princess and the Protector
S4E6 / 30 Jun 2017
The Royal Dragon
S4E7 / 21 Jul 2017
The Mystic Isles: The Mare of the Mist
S4E8 / 04 Aug 2017
Through the Looking Back Glass
S4E9 / 18 Aug 2017Princess Jade
S4E10 / 01 Sep 2017
Ivy's True Colors
S4E11 / 29 Sep 2017
Too Cute to Spook
S4E12 / 06 Oct 2017
Pirated Away
S4E13 / 13 Oct 2017
The Mystic Isles: The Falcon’s Eye
S4E14 / 20 Oct 2017
The Mystic Isles: The Great Pretender
S4E15 / 27 Oct 2017
The Mystic Isles: A Very Mystic Wassalia
S4E16 / 01 Dec 2017
The Birthday Wish
S4E17 / 05 Jan 2018
In Cedric We Trust
S4E18 / 17 Nov 2017
The Mystic Isles: A Hero for the Hoodwinks
S4E19 / 24 Nov 2017
The Mystic Isles: Undercover Fairies
S4E20 / 01 Dec 2017
A Royal Wedding
S4E21 / 08 Dec 2017
The Royal School Fair
S4E22 / 15 Dec 2017
The Lost Pyramid
S4E23 / 22 Dec 2017
Return to Merroway Cove
S4E24 / 17 May 2018
The Elf Situation
S4E25 / 05 Jan 2018
Forever Royal
S4E26 / 08 Sep 2018
