Nanner Split said:
...I've known this forum to be very helpful when it comes to technical matters and I'm disappointed that the above users would tell you that DVD and Blu-ray are the same size on purpose just to fuck with you. I expected better from them.

Let's do a quick size comparison:

As you can see, the Blu-ray on the left is MUCH larger than the DVD on the right. This is because the Blu-ray's total data capacity is nearly 6 times as large as DVDs. Not only that, but the center hole is much larger than the DVD as well, so if you try to put a DVD in a Blu-ray case you won't be able to fit it on the little center spool thing.

For those without a sense of humor or irony, the disc on the left is a laserdisc. Disney doesn't even use that logo anymore for its video releases.

Nanner Split said:
Blu-ray cases are a little hard to come by on their own, so what you need to do is PM TV's Frink and if he still has any in stock he'll hook you up.

Don't do that. He will mock you relentlessly for being so gullable.