Once Upon a Time - Season 4 Episode 15
In order to infiltrate the Queens of Darkness as a spy for the heroes, Regina must prove she’s still willing to get her hands dirty. Meanwhile, Emma, David and Mary Margaret scramble to keep tabs on their undercover operative. Hook requests an unusual favor from Belle as Henry makes progress on his search for the Author. In a Fairy Tale Land flashback, Regina befriends Maleficent and helps her to rekindle her lost spark.
First Air Date : 2011-10-23
Last Air date : 2018-05-18
Runtime : 57 minutes
Genre : Drama, Sci-Fi & Fantasy
Cast : Lana Parrilla, Colin O'Donoghue, Robert Carlyle, Gabrielle Anwar, Dania Ramirez, Mekia Cox
Crew : Mark Isham (Original Music Composer), Thomas DeGorter (Supervising Sound Editor), Joseph Schultz (Supervising Sound Editor), Danica Tsang (Visual Effects Producer), Rob Price (Visual Effects Producer)
Quality : 
Subtitles :
- Season 4 : Episode 12014-09-28
- Season 4 : Episode 22014-10-05
- Season 4 : Episode 32014-10-12
- Season 4 : Episode 42014-10-19
- Season 4 : Episode 52014-10-26
- Season 4 : Episode 62014-11-02
- Season 4 : Episode 72014-11-09
- Season 4 : Episode 82014-11-16
- Season 4 : Episode 92014-11-16
- Season 4 : Episode 102014-11-30
- Season 4 : Episode 112014-12-07
- Season 4 : Episode 122014-12-14
- Season 4 : Episode 132015-03-01
- Season 4 : Episode 142015-03-08
- Season 4 : Episode 152015-03-15
- Season 4 : Episode 162015-03-22
- Season 4 : Episode 172015-03-29
- Season 4 : Episode 182015-04-12
- Season 4 : Episode 192015-04-19
- Season 4 : Episode 202015-04-26
- Season 4 : Episode 212015-05-03
- Season 4 : Episode 222015-05-10
- Season 4 : Episode 232015-05-10
