The Fourth Doctor was portrayed by Tom Baker. He is, to date, the actor who has played the Doctor on television for the longest period of time, [ 23 ] having held the role for seven seasons. Season 12 (1974–1975)

Tom Baker’s acclaimed first season as the Fourth Doctor, originally aired in 1975/76. With his best friend Sarah Jane Smith and new companion Harry, the Doctor pits his wits against a giant robot, the insect Wirrn, Cybermen, Sontarans and Daleks.

With Tom Baker, William Hartnell, Jon Pertwee, Patrick Troughton. The adventures in time and space of the Doctor, a Time Lord who changes appearance and personality by regenerating when near death, and is joined by companions in battles against aliens and other megalomaniacs.

Jun 19, 2018 · There are five so-called "serials" contained in this first season of Doctor Who adventures starring Tom Baker, Robot, The Ark in Space, The Sontaran Experiment, Genesis of the Daleks...

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Jun 19, 2018 · Tom Baker's acclaimed first season as the Fourth Doctor, originally aired in 1975/76. With his best friend Sarah Jane Smith and new companion Harry, the Doctor pits his wits against a giant robot, the insect Wirrn, Cybermen, Sontarans and Daleks.