Tom Baker recalls what it was like to be the Fourth Doctor and explains how his personal identify and that of the Doctor's seemed to merge. Doctor Who premiered on the BBC on November 23, 1963 and Baker portrayed the Doctor from 1974 to 1981.

Former showrunner Russell T Davies and former BBC Controller of Drama Jane Tranter recall how the return of Doctor Who came to the BBC in 2005 because of a chance meeting. Doctor Who first premiered on November 23, 1963 and celebrates its 50th anniversary in 2013.

Members of the Doctor Who production crew from the 60's and 70's recall what it was like working with Second Doctor Patrick Troughton and Third Doctor Jon Pertwee. The science fiction TV program Doctor Who premiered on the BBC on November 23, 1963 and celebrated its 50th anniversary in 2013.

Michael Kilgarriff, the actor who portrayed the Cybermen Controller, recalls what it was like inside the costume from the Tomb of the Cybermen, an episode featuring the Second Doctor. Peter Troughton became the Second Doctor in 1966, after William Hartnell's three years as the iconic character.

The Doctor Who production team discusses the origins of the regeneration process made famous in 1966 by First Doctor William Hartnell and Second Doctor Peter Troughton. Doctor Who premiered on November 23, 1963 as a children's program that would educate by traveling through time and space.

Doctor Who producer Verity Lambert recalls the small budget the television show Doctor Who had in 1963 and explains why extra creativity came from the limited resources her production team had to work with.

Doctor Who producer Verity Lambert discusses the character traits she wanted the Doctor to have and she shares her opinion of William Hartnell's take on the character. Doctor Who premiered on the BBC on November 23, 1963.

Director Waris Hussein recalls what it was like to direct the first episodes of Doctor Who. He also explains why he was chosen to direct and how the idea evolved into the Doctor Who television program that the BBC premiered on November 23, 1963.

Actor Peter Purves, who portrayed companion Steven Taylor, recalls what it was like working with first Doctor portrayed by British stage and screen actor, William Hartnell. The Doctor Who TV program premiered on November 23, 1963 on the BBC.

Patrick Troughton shares his thoughts on acting and recalls when he was asked to become the new Doctor for the BBC's hit program. The science fiction television show Doctor Who first aired on November 23, 1963.