In Britain, on the BBC Saturday nights. In the USA, on BBC America on Saturday nights. Since, December 2010, BBC America runs Doctor Who concurrent with the BBC.
If you do not have access to either channel or would like to watch all of Season 6 episodes so far, they can be purchased(w/view and download capabilitites) with "Amazon On Demand" $1.99/episode ($2.99 HD) The Amazon on Demand episodes have been available on Sundays - one day after being aired on the aforementioned channels.
Use netflix, it costs $10 a month but it gives you the first six season of doctor who. For season 7, go to ultra-vid.com which is free.
Netflix
Yes of course, you can watch Criminal Minds season 6 at CBS
bbc iplayer or doctor who is on every saturday at 7 ish
He's shot by an astronaut in Season Six Episode 1.
When it comes out on DVD. No date yet.
When they air all the episodes on TV.
Try the link shown in related links below. It has all Doctor who episodes.
I think it just turned out to be a strapless dress!
you will have to wait for it to be repeated so you can watch it then or you can watch it on iplayer when it comes up after the repeat. Alternatively you could get it on itunes.
Netflix, hulu, internet tv websites like , bbc website
If you have netflix you could get it from that by ordering it then they mail to your place. I am a huge fan of doctor who iv seen it all!