Name: Episode 23 — Operation Mongoose (2)
Released: 2015-05-10
Duration: 43 min
Rating: 9.2
Cast: Lana Parrilla, Colin O'Donoghue, Robert Carlyle, Gabrielle Anwar, Dania Ramirez

Once Upon a Time (2011 – 2018)

2011 • 7 seasons • Drama, Sci-Fi & Fantasy • TV-PG

On August 8, 2026

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Episode 23 — Operation Mongoose (2)

Released: 2015-05-10 • Drama/Sci-Fi & Fantasy

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The Author proves to be a formidable wild card and forges an alliance with Gold. Emma, her parents, Hook and Regina scramble to stop them, but when Gold and the Author turn the tables on heroes and villains alike, the prospect of any happy outcome appears worlds away. Henry discovers he has big shoes to fill as he steps up to save his family before the story’s final page is turned. It’s a race to the finish, and everything culminates with a shocking twist that will leave the residents of Storybrooke reeling

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Episode air date	10.05.2015
Episode runtime	43 min
Episode rating	9.20
Genres	Drama / Sci-Fi & Fantasy
TMDB series rating	7.4
IMDb series rating	7.6
Series status	Ended
Age rating	6+
Country	US

Once Upon a Time (2011 – 2018)

Episode 23 — Operation Mongoose (2)

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