Second Doctor
The Second Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series "Doctor Who". He was portrayed by character actor Patrick Troughton.
Eighth Doctor
The Eighth Doctor made his first television appearance in the 1996 "Doctor Who" television film, the first time the Doctor had returned to television screens since the end of the original series in 1989. Intended as a backdoor pilot for a new television series on the Fox Network, the film drew 5.5% of the US audience, according to Nielsen Ratings. In the United Kingdom, it was received well, attracting over 9 million viewers and generally positive reviews. It was also generally well received in Australia.