Classic Doctor Who: The Fourth Doctor

Season 12 Episode 9 - The Sontaran Experiment (Pt. 1)

Season 12

• Season 12
• Season 13
• Season 14
• Season 15
• Season 16
• Season 17
• Season 18

S12:E01 - Robot (Pt. 1)

UNIT are called in when top secret plans are stolen from high security establishments.

S12:E02 - Robot (Pt. 2)

Harry Sullivan is sent to infiltrate Think Tank to discover the truth.

S12:E03 - Robot (Pt. 3)

Sealed inside an underground bunker, Miss Winters issues her demands to the world.

S12:E04 - Robot (Pt. 4)

The Doctor races to avert a nuclear holocaust. The robot takes Sarah hostage.

S12:E05 - The Ark in Space (Pt. 1)

The survivors of Earth lie in hibernation but the Doctor finds there has been an intruder.

S12:E06 - The Ark in Space (Pt. 2)

The survivors of the human race start to awaken. But The Doctor is concerned...

S12:E07 - The Ark in Space (Pt. 3)

Humankind faces total destruction. Can the Doctor defeat the Wirrn?

S12:E08 - The Ark in Space (Pt. 4)

Trapped by the Wirrn, The Doctor and his friends are forced into one last terrible gamble.

S12:E09 - The Sontaran Experiment (Pt. 1)

Arriving on Earth, the Doctor, Harry and Sarah meet a group of stranded human colonists.

S12:E10 - The Sontaran Experiment (Pt. 2)

Sarah has been captured by Styre who is conducting experiments on the captured humans.

S12:E11 - Genesis of the Daleks (Pt. 1)

The Time Lords send the Doctor to Skaro shortly before the creation of the Daleks.

S12:E12 - Genesis of the Daleks (Pt. 2)

In the Thal dome, Sarah is forced to load a war rocket with radioactive explosives.

S12:E13 - Genesis of the Daleks (Pt. 3)

The Doctor informs the Kaleds of Davros's experiments but Davros takes drastic action.

S12:E14 - Genesis of the Daleks (Pt. 4)

The Kaled dome is destroyed by the Thals' rocket but Daleks appear and a massacre begins.

S12:E15 - Genesis of the Daleks (Pt. 5)

Davros interrogates the Doctor, forcing him to reveal the future of the Daleks.

S12:E16 - Genesis of the Daleks (Pt. 6)

The Kaled elite move to prevent the development of the Daleks but is it already too late?

S12:E17 - Revenge of the Cybermen (Pt. 1)

The Doctor, Sarah and Harry return to Nerva, but at an earlier point in time.

S12:E18 - Revenge of the Cybermen (Pt. 2)

Sarah is the latest victim of the space plague.

S12:E19 - Revenge of the Cybermen (Pt. 3)

The Cybermen who are intent on destroying Voga.

S12:E20 - Revenge of the Cybermen (Pt. 4)

Their plan to blow up Voga thwarted, the Cybermen intend to crash Nerva into the planet.