This is the biggest selling point for collectors. When you buy The Secret of Kells digitally, you get the movie. That’s it. When you buy the Blu-ray (specifically the GKids or Universal releases), you unlock a vault of content that is essential for aspiring animators and fans of Irish mythology.

The plot of The Secret of Kells is deceptively simple, yet profoundly deep. It follows Brendan, a young monk living in the Abbey of Kells under the strict rule of his uncle, Abbot Cellach. Cellach is obsessed with building a wall to protect the abbey from Viking invaders, fearing the outside world. Brendan, however, is drawn to the work of Brother Aidan, a master illuminator fleeing the Viking destruction of Iona.

Let’s settle the debate with hard facts. Assume you have a 55-inch 4K OLED TV and a 5.1 sound system.