Yep, it's that time of year again. Barnes and Noble holds a massive biannual sale on all of their Criterion Collection DVDs, Blu-Rays and box sets, and this year's bonanza has officially begun.

How big is the discount? Take a deep breath and make some room on your shelf, because it's a whopping 50% off.

That sound you hear is cinephiles nationwide jumping off their couches and racing to the nearest Barnes and Noble to get their hands on their picks before they disappear.

The sale is online as well as in stores, and it runs until August 1.