Memory Crystals

"In this crystal are the memories of my sisters, which I stole from the people of Arendelle. Please return them. My sisters deserve to be known."

- Gerda's letter to Elsa and Anna

Memory Crystals are magical items featured on ABC's Once Upon a Time. They first appear in the sixth episode of the fourth season.

Trivia

 * -|Production Notes=

Production Notes

 * In a deleted scene from "Shattered Sight", Ingrid uses memory crystals on Dopey to make him forget that he's the owner of Any Given Sundae.