Orphan Black

Season 4, Episode 10

Episode Title: From Dancing Mice to Psychopaths

Air Date: 2016-06-16

Overview:

When communication with Cosima is cut off and Neolution appears to be within striking distance, Sarah's alliance with Rachel goes out the window. Sarah lures a high-level Neolutionist into a trap, and sets out to bring down Neolution once and for all.