Does anyone know where I can find free episodes of Doctor Who (new and old), if so that would be so much help. Thank 你 to all that answer this question.

www.doctorwho-episodes.com
你 can watch Doctor Who specials, 26 seasons, most 最近的 5 series, Sarah Jane Adventures, Torchwood, and miscellaneous other Doctor Who shows (such as pilot episode of K9 and Company)

If you'd like to download them ,all episodes are avilable via torrent. Just go to site like link & 搜索 for the series 你 are interested in.