TVEnded
Secret Sister
Get notified when this releases — sign up freeRelease Journey
Announced
In Production
Trailers
Series Ended
May 4, 2018
Last Episode
S01E19“Episode 19”
September 7, 2018
Genres
Overview
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
Seasons
Data provided by TMDB. Not endorsed or certified by TMDB.
Track Secret Sister
Get notified when new episodes air.