Secret Sister
Series Overview
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 19 Episodes
50 min per episode
2018 – 2018
Premiered: Fri, May 4, 2018
Latest Aired Episode
Season 1, Episode 19: “Episode 19”
Seasons & Episodes Breakdown
Creative Leadership & Key Crew
박소정
오정
Department Leadership Roster
오정
Writer
박소정
Director
Production Stills & Gallery
Official cinematic photography and background stills for Secret Sister.
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Shows sharing similar genres, audiences, and storylines.
Frequently Asked Questions About Secret Sister
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Secret Sister about?
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
How many seasons does Secret Sister have?
Secret Sister comprises 1 season available to explore.
Who stars in Secret Sister?
Key cast members in Secret Sister include Not specified.
Who created or directed Secret Sister?
Secret Sister was developed and directed by 박소정.