How to Access Hidden 'Citadel' Teaser From Prime Video

Earlier today, Prime Video released a set of teaser images from the long-in-the-works sci-fi series Citadel as the starry series draws closer to a release. Keen-eyed viewers may have noticed some peculiarities in one of the images shared, however. The shot of Richard Madden looking at a screen full of information on Priyanka Chopra Jonas' character Nadia Sinh contains a QR code that leads users down a rabbit hole that ends in a secret teaser for the series.