|"The Secret Library: Olaf and the Tale of Miss Nettle"|
| Season 3, episode 18|
|Airdate:||February 15, 2016|
|Writer:|| Rachel Ruderman|
|Director:|| Jamie Mitchell|
Larry Leichliter (co-director)
"Gone With the Wand"
"Bad Little Dragon"
"The Secret Library: Olaf and the Tale of Miss Nettle" aired as the fourteenth episode of season three of Sofia the First, and the sixty-sixth overall. It was produced as the eighteenth episode in season three.
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- Miss Nettle (redeemed)
- Freezenberg (only appearance)
- Castle (only appearance)
- Winter Flower Festival (only appearance)
- Royal Preparatory Academy (mentioned only)
- Arendelle (only time mentioned)
- Amulet of Avalor
- The Tale of Miss Nettle
- Snowdrop/Nettledrop (only appearance)
- Crazy crystals
|Ariel Winter||Princess Sofia|
|Megan Mullally||Miss Nettle|
|Coco Grayson||Princess Hildegard|
|Mick Wingert||King Henrick|
|Hugh Bonneville||Book narrator|
|Ivy Bishop||Little girl|
|Lyons Luke Mathias||Little brother|
|Jamie Mitchell||Man's voice|
|Fritz Sperberg|| Owl|
Connections to previous events
- Miss Nettle used crazy crystals on Cedric in from "The Enchanted Feast".
- She caused trouble for Royal Preparatory Academy in "Make Way For Miss Nettle".
- This episode was included on the Sofia the First: The Secret Library DVD on June 7, 2016.
- Disney Press published a book adaptation called The Tale of Miss Nettle on February 2, 2016.
- This is the first episode to be written by Rachel Ruderman, without Laurie Israel.
- Olaf, taking the place of a Disney Princess (even though Anna isn't an official Disney Princess, herself), is the guest star, originally appearing in the 2013 film Frozen; which is also computer animated. Josh Gad reprises the role.
- Airdate-wise, this is the first appearance of King Henrick, but production-wise, he had already appeared in "Dads and Daughters Day".
- This seemingly ends Miss Nettle's story, as she finally gets the respect she's been longing for (although she does return in "Ivy's True Colors").
- None known.