Young Observer's origin is revealed. And his existence and an additional time travel are necessary to change the history of Observers' invasion.

Cast: Anna Torv, Joshua Jackson, Jasika Nicole, John Noble, Michael Cerveris, James Kidnie, Michael Kopsa, Sage Brocklebank, Ian Butcher, Steve Elliott, Adam Henderson, Cory LeClerc, Rowan Longworth, Terry mullett, Jordan Schartner