In 2256, Saru's threat ganglia extended in the prelude to the Battle of the Binary Stars, when the Sarcophagus decloaked. (DIS: "The Vulcan Hello") After the battle, his ganglia began reacting to the presence of Michael Burnham, as he now considered her dangerous – for example, when Burnham did not leave the USS Discovery on prison shuttle SPT 21. (DIS: "Context Is for Kings", "The Butcher's Knife Cares Not for the Lamb's Cry")