Doctor Who Season 6 Video Trailer - Full HD Full Length Trailer for Doctor Who Series 6,Doctor Who Season 6 Premieres Tonight on BBC America.BBC America is running a Doctor Who marathon today in preparation for tonight’s Season 6 premiere starring Matt Smith as the Doctor and Karen Gillan as the lovely Amy Pond, who is his latest assistant. After the marathon and just before the premiere, there is a special “Doctor Who Rewind” recapping Season 5. Tonight’s episode is “The Impossible Astronaut,” which will take place where no Doctor Who episode has gone before: The United States of America.