Zelena (Once Upon a Time)
Zelena, also known as the Wicked Witch of the West and cursed as Kelly West in the seventh season, is a fictional character in ABC's television series "Once Upon a Time". She is portrayed by Rebecca Mader and was first introduced in the second half of the third season. After making recurring appearances in both the third and fourth seasons, Mader was promoted to series regular for the fifth and sixth seasons. She returned as a recurring guest star in the seventh season.
A Tale of Two Sisters (Once Upon a Time)
"A Tale of Two Sisters" is the first episode of the fourth season of the American fantasy drama series "Once Upon a Time", which aired on September 28, 2014. The episode introduces several characters from "Frozen" to the series. The episode also has the characters deal with the consequences of Emma Swan (Jennifer Morrison) and Killian "Hook" Jones's (Colin O'Donoghue) time traveling in the third season finale.