Right now, most of it on BBC IPlayer but in a few weeks, maybe not.
It seems that seasons 1-7 (of the new seasons) are already available on Netflix.In January 2015, Netflix renewed it's streaming contract with the BBC for;Classic Doctor Who (18 Collections)Doctor Who (Series 1-7)Torchwood (Series 1-4)Doctor Who Series 8 is available in DVD-only.Doctor Who Series 9 is in production now.
The New Doctor Who Starts on 3rd of April. They are doing a count down, on the Doctor Who BBC website. It's a pity David Tennant has gone.
Matt Smith plays the Eleventh Doctor in Series 5
BBC.co.uk/iplayer
bbc iplayer or doctor who is on every saturday at 7 ish
No Jack is not in series 5.
1963 Doctor Who aired for the first time 5:15 pm (GMT) on 23 November 1963, on British television (BBC television). The initial broadcast was interrupted by the breaking news of the November 22 assassination of US President John F Kennedy.
series 5
Try using bbc iplayer or netflix, if not, buy it on DVD or type it in on youtube, (it will come in 5 segments)
There are lots of soundtracks! If you meant the theme tune, it doesn't have a name - other than the Doctor Who theme tune. But all of the recent background music is available on separate CDs: Doctor Who Series 1&2 Soundtack (2005/06 series) Doctor Who Series 3 Soundtrack (2007 series) Doctor Who Series 4 Soundtrack (2008 series) Doctor Who Series 4: The Specials Soundtrack (2008-10 specials) Doctor Who Series 5 Soundtrack (2010 Series) Doctor Who Series 6 Soundtrack (2011 Series) These feature the background music found in the respective series.
No she was not in series 5.