Why won't doctor who play on the Internet?!

The doctor who episode 'forest of the dead' finished 2 hours ago but i missed it cos i was out, i tried to play it on bbc iplayer but it was not there!. i have tried all the catch up websites and none of them have it!. on iplayer they have doctor who confidensial on there but not the actual proggram!. i have looked on the doctor who website for it and it says it is not avalible!. plz can someone tell me why cos i am dying (litterally) to see it!. i can't wait a moment longer!! help!!Www@Enter-QA@Com

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