Star Wars Rebels Season 2 Episode 15 The Call Episode Title:The Call.Episode Description:The Ghost crew is on a mission to capture a fuel shipment from the Mining Guild to the Empire, in order to restock the Rebel fleet's own dwindling supplies. While travelling to the Guild's asteroid refinery, the Ghost encounters a flock of Purrgill, space-travelling creatures whom Hera considers dangerous. However, Ezra manages to establish contact with them through the Force and learns that his crew and the Purrgill actually pursue the same basic goal, if for slightly differing priorities.