Likely to be a misprice but worth a punt! They also already have separate page listings for the actual dvds of these.
Tesco are a joke at the moment with their prices and excuses for not sending the goods. Why not just send a misprice email instead of using the out of stock email?
i just phoned them to challenge the "out of stock" when they are showing as having stock ready for despatch next datyand they have a new get out clause! It can be out of stock from one warehouse but not another!! Therefore they reckon to have 2 or more different warehouses selling stock at different prices! -