I found a supplier of this product that you might want to check out: Link hidden: Login to view
They are actually a division of dva.com which is a SaleHoo supplier and is a well established company. They have a wide range of DVDs (specifically entertainment/tv shows in box sets). They accept PayPal and major CCs and ship worldwide.
I have also found that dhgate has a few entertainment DVDs. If you want to have a look, here's the link:
Link hidden: Login to view
I will do some more searching and will get back to you.
Thanks and have a great weekend, everyone! :)