Dark Sister (2025) is a Horror, Mystery film that follows a gothic horror short about a woman on a remote estate who discovers a doppleganger with sinister intentions for her. A virtual studio production from Alex Proyas. A Vidiverse original. Dark Sister is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 9.0 out of 10 from 1 votes. Fans of horror movies may also want to explore similar titles below.