Today only you can get Angry Birds on Ultra HD Blu-ray for just $18.99. The 3-disc combo edition from Sony Pictures Home Entertainment includes a 4k Ultra HD Blu-ray, 3D Blu-ray, Blu-ray, and Digital HD copy of the film though UltraViolet partners. $18.99 is about as cheap as we’ve ever seen a 4k Blu-ray disc, but this deal is only good for today. [Note: This deal has ended but check out more Blu-ray Deals!]