A victory by the team seems 'within the realm of possibility'. [=a victory seems possible]
It's not 'beyond the realm of possibility' [=it's not impossible] that he will return.
new discoveries in the 'realm' of medicine
(..) Will make the Piece of Resistance found From its hiding refuge underground This MasterBuilder will thwart The Kragle and save the realm - Wake up. - Ugh. How did you find the Piece of Resistance? Eh? - Where are the others hiding? (..)2014 The Lego Movie
(..) From its hiding refuge underground And with a noble army at the helm This MasterBuilder will thwart The Kragle and save the realm And be the greatest Most interesting Most important person of all times That was a great, (..)2014 The Lego Movie