BBC America has announced a new night and time for "Orphan Black" with the release of a Season 4 trailer.

The acclaimed series will move from Saturdays at 9 p.m. ET/PT to Thursdays at 10 p.m. when it returns on April 14.

In the new season, Sarah (Emmy nominees Tatiana Maslany) returns home from her Icelandic hideout to track down an elusive new ally tied to deceased clone Beth (Maslany), whose identity Sarah stole in the series’ first episode. With the stakes higher than ever before, Sarah and her sisters band together to uncover the missing chapter of the clone conspiracy – following Beth’s footsteps into a dangerous relationship with a potent enemy who holds the key to their survival.