Doctor Who is on its 37th series and prices on them vary because some Doctor Who episodes have been lost and are now worth significantly more than before, such as The Underwater Menace which was not even included in the Lost in Time collection. Blue ray copies of the series cost slightly more than the DVD copies because of their High Definition.
Beacaus bluray is newer and they think everybody has a bluray player... eventually it will come on dvd.
Could be nothing more than the Bluray DVD's that you're watching aren't encoded in 5.1 surround.
A DVD player cannot play a BluRay disc. A BluRay player can play both BluRay discs and DVDs.
Yes, BluRay DVD players also play non Blu-Ray DVDs with no problem.
A Bluray disc stores five times more data than a DVD. Therefore, a DVD will not have the capacity to store the contents of a Bluray disc.
No
bluray
In Januar or February!
In your home on DVD, BluRay or OnDemand
Yes
CD's, DVD's NO BLURAY
No and HD DVDs have been permanently discontinued