Board Thread:Spoilers!/@comment-26159109-20151007195419/@comment-27060727-20151015155129

Adam has said on Twitter that the midseason finale is the one after this one, 5x11. I think it's likely that the Excalibur reveal will happen during 5x09 (the double episode night). And then they're taking a week off for the awards show, so that would be a good cliffhanger.