When Mary Margaret goes into labor, Zelena makes her move to gain the fourth component she needs for her spell to travel back into time and change her destiny. Meanwhile, in the distant land of Oz, Glinda offers Zelena membership in the Sisterhood of Witches. However, the arrival of a young girl named Dorothy changes everything.
6.5/10 (6 Votes cast)
Warning: Once Upon a Time season 3 episode 20 guide may contain spoilers