Allegiance is a TV show on American national television from NBC with an average rating of 3.0 stars by WatchTVOnDemand.com's visitors. We have 13 episodes of Allegiance in our archive. The first episode of Allegiance was broadcast in April, 2015. Did you miss an episode of Allegiance but don't you wan't that to happen in the future? Please set an alarm and add Allegiance to your favorites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!