Bird Box frenzy, which has plagued social media since before Christmas, and towards Black Mirror's new interactive film, which was written by the series' creator Charles Brooker and directed by David Slade.

While Mass Effect series), it's rather new for Black Mirror fans and, more importantly, Netflix s, many of which may not play role-playing games.

Related: Black Mirror: Bandersnatch Is A Fun Game, But A Weak Story

Among the Stefan (Fionn Whitehead) into a nightmare in which he travels through a mirror in his bathroom. But here's the thing: if viewers choose to pick up the family photo and then pick it up again for the second time, when prompted, they'll unlock a secret scene.

Black Mirror Bandersnatch Dreams

What happens in Black Mirror: Bandersnatch's secret scene is actually quite short and somewhat disconcerting, but it's interestingly nevertheless. Picking up the family photo twice ultimately introduces audiences to Jerome F. Davies, the author of the in-universe Bandersnatch novel that was the basis for the video game, who visits Stefan in his room. In the secret scene, Stefan wakes up at his computer and is visited by Davies, who appears for only a moment and stabs Stefan. Of course, the entire scene was only a dream, which means it doesn't affect Stefan's overarching story arc.

Considering how many options are in Black Mirror: Bandersnatch, we may never find out the true consequences of all of them - but that's okay. Bandersnatch is an achievement for Netflix, and it shows just how popular interactive and social events like Bandersnatch can be for subscribers. If Netflix choose to make another Black Mirror interactive film, it will surely become another phenomenon.

More: Black Mirror: Bandersnatch's Post-Credits Ending - What Happens & How To Get It