[s3e20] Kansas -

: Glinda tries to recruit Dorothy to join the Sisterhood of Witches. Fearing she is being replaced, Zelena attempts to kill Dorothy. However, Dorothy splashes her with a bucket of water, appearing to melt her.

In Storybrooke, Mary Margaret (Snow White) goes into labor. Zelena needs the newborn—the product of "true love"—to complete her time-travel portal and rewrite history so that she, not Regina, was the one raised by Cora and taught magic by Rumplestiltskin.

In the Once Upon a Time episode "" (Season 3, Episode 20), the story weaves between a high-stakes labor in Storybrooke and the origin of a legendary rivalry in Oz. It marks a turning point for Regina’s redemption and the climax of the Wicked Witch's plan. The Past: The Arrival of Dorothy [S3E20] Kansas

: Rather than killing Zelena, Regina chooses the path of a hero. She spares her sister’s life, hoping she can eventually find redemption, and locks her in a cell.

: Zelena faked her death. She waits until Glinda gives Dorothy the Silver Slippers to return home. Once Dorothy is gone, Zelena reveals herself, banishes Glinda to the Enchanted Forest, and cements her control over Oz, realizing she can never be "good" if she is always second best. The Present: The Battle for the Baby : Glinda tries to recruit Dorothy to join

: As the heroes storm the clock tower, Zelena uses her magic to freeze them. However, Regina is able to resist. Having finally found happiness and love (with Robin Hood), Regina is now able to wield Light Magic . She blasts Zelena with white light, stripping her of her pendant and her powers.

This episode is available for viewing on Disney+ and detailed recaps can be found on the Once Upon a Time Wiki . In Storybrooke, Mary Margaret (Snow White) goes into labor

: This episode is the definitive proof of her transformation. By using light magic, she proves she is no longer the Evil Queen.