The Slaves of Jedikiah, Part 1
Episode: 1x01 | Airdate: Apr 30, 1973
Season 1
The Slaves of Jedikiah, Part 2
Episode: 1x02 | Airdate: May 7, 1973
The Slaves of Jedikiah, Part 3
Episode: 1x03 | Airdate: May 14, 1973
The Slaves of Jedikiah, Part 4
Episode: 1x04 | Airdate: May 28, 1973
The Slaves of Jedikiah, Part 5
Episode: 1x05 | Airdate: Jun 4, 1973
The Medusa Strain, Part 1
Episode: 1x06 | Airdate: Jun 11, 1973
The Medusa Strain, Part 2
Episode: 1x07 | Airdate: Jun 18, 1973
The Medusa Strain, Part 3
Episode: 1x08 | Airdate: Jun 25, 1973
The Medusa Strain, Part 4
Episode: 1x09 | Airdate: Jul 2, 1973
The Vanishing Earth, Part 1
Episode: 1x10 | Airdate: Jul 9, 1973
The Vanishing Earth, Part 2
Episode: 1x11 | Airdate: Jul 16, 1973
The Vanishing Earth, Part 3
Episode: 1x12 | Airdate: Jul 23, 1973
The Vanishing Earth, Part 4
Episode: 1x13 | Airdate: Jul 30, 1973
Season 2
The Blue and the Green, Part 1: An Apple for the Teacher
Episode: 2x01 | Airdate: Feb 4, 1974
The Blue and the Green, Part 2: The Changing Picture
Episode: 2x02 | Airdate: Feb 11, 1974
The Blue and the Green, Part 3: The Trojan Horse
Episode: 2x03 | Airdate: Feb 18, 1974
The Blue and the Green, Part 4: Cuckoo In The Nest
Episode: 2x04 | Airdate: Feb 25, 1974
The Blue and the Green, Part 5: The Swarming Season
Episode: 2x05 | Airdate: Mar 4, 1974
A Rift in Time, Part 1: Vase of Mystery
Episode: 2x06 | Airdate: Mar 11, 1974
A Rift in Time, Part 2: Turn of the Thumb
Episode: 2x07 | Airdate: Mar 18, 1974
A Rift in Time, Part 3: From Little Acorns
Episode: 2x08 | Airdate: Mar 25, 1974
A Rift in Time, Part 4: Rise of the Roman Empire
Episode: 2x09 | Airdate: Apr 1, 1974
The Doomsday Men, Part 1: Dressed to Kill
Episode: 2x10 | Airdate: Apr 8, 1974
The Doomsday Men, Part 2: The Burning Sword
Episode: 2x11 | Airdate: Apr 15, 1974
The Doomsday Men, Part 3: Run Rabbit Run
Episode: 2x12 | Airdate: Apr 29, 1974
The Doomsday Men, Part 4: The Shuttlecock
Episode: 2x13 | Airdate: May 6, 1974
Season 3
Secret Weapon, Part 1: Found and Lost
Episode: 3x01 | Airdate: Feb 26, 1975
Secret Weapon, Part 2: Not Quite a Sleeping Beauty
Episode: 3x02 | Airdate: Mar 5, 1975
Secret Weapon, Part 3: Whose Side Are You On Professor
Episode: 3x03 | Airdate: Mar 12, 1975
Secret Weapon, Part 4: A Present From Russia
Episode: 3x04 | Airdate: Mar 19, 1974
Worlds Away, Part 1: Secret of the Pyramid
Episode: 3x05 | Airdate: Mar 26, 1975
Worlds Away, Part 2: Hound of the Night
Episode: 3x06 | Airdate: Apr 2, 1975
Worlds Away, Part 3: More for the Burning
Episode: 3x07 | Airdate: Apr 9, 1975
A Man for Emily, Part 1: The Fastest Gun
Episode: 3x08 | Airdate: Apr 16, 1975
A Man for Emily, Part 2: Here We Go Round the Doozlum
Episode: 3x09 | Airdate: Apr 23, 1975
A Man for Emily, Part 3: Shotgun Wedding
Episode: 3x10 | Airdate: Apr 30, 1975
The Revenge of Jedikiah, Part 1: Curse of the Mummy's Tomb
Episode: 3x11 | Airdate: May 7, 1975
The Revenge of Jedikiah, Part 2: Last Chance
Episode: 3x12 | Airdate: May 14, 1975
The Revenge of Jedikiah, Part 3: Farewell Performance
Episode: 3x13 | Airdate: May 21, 1975
Season 4
One Law, Part 1: One Law for the Poor
Episode: 4x01 | Airdate: Oct 21, 1975
One Law, Part 2: Another for the Rich
Episode: 4x02 | Airdate: Oct 28, 1975
One Law, Part 3: Which Prohibits Them Equally from Stealing Bread
Episode: 4x03 | Airdate: Nov 4, 1975
Into the Unknown, Part 1: The Visitor
Episode: 4x04 | Airdate: Jan 7, 1976
Into the Unknown, Part 2: The Father Ship
Episode: 4x05 | Airdate: Jan 7, 1976
Into the Unknown, Part 3: The Tunnel
Episode: 4x06 | Airdate: Jan 14, 1976
Into the Unknown, Part 4: The Circle
Episode: 4x07 | Airdate: Jan 21, 1976
Season 5
The Dirtiest Business Part 1: A Spy is Born
Episode: 5x01 | Airdate: Feb 28, 1977
The Dirtiest Business Part 2: A Spy Dies...
Episode: 5x02 | Airdate: Mar 7, 1977
A Much Needed Holiday, Part 1: Spilled Porridge
Episode: 5x03 | Airdate: Mar 14, 1977
A Much Needed Holiday, Part 2: Just Desserts
Episode: 5x04 | Airdate: Mar 21, 1977
The Heart of Sogguth, Part 1: Beat the Drum
Episode: 5x05 | Airdate: Mar 28, 1977
The Heart of Sogguth, Part 2: Devil in Disguise
Episode: 5x06 | Airdate: Apr 3, 1977
Season 6
The Lost Gods, Part 1: Flight of Fancy
Episode: 6x01 | Airdate: May 15, 1978
The Lost Gods, Part 2: Life before Death
Episode: 6x02 | Airdate: May 22, 1978
Hitler's Last Secret, Part 1: Men Like Rats
Episode: 6x03 | Airdate: Jun 5, 1978
Hitler's Last Secret, Part 2: Seeds of Destruction
Episode: 6x04 | Airdate: Jun 12, 1978
The Thargon Menace, Part 1: Unexpected Guests
Episode: 6x05 | Airdate: Jun 19, 1978
The Thargon Menace, Part 2: Playing with Fire
Episode: 6x06 | Airdate: Jun 26, 1978
Season 7
Castle of Fear, Part 1: Ghosts and Monsters
Episode: 7x01 | Airdate: Oct 9, 1978
Castle of Fear, Part 2: Fighting Spirit
Episode: 7x02 | Airdate: Oct 9, 1978
Achilles Heel, Part 1: A Room at the Inn
Episode: 7x03 | Airdate: Oct 23, 1978
Achilles Heel, Part 2: Everything to Lose
Episode: 7x04 | Airdate: Oct 23, 1978
The Living Skins, Part 1: A Harmless Fashion
Episode: 7x05 | Airdate: Nov 6, 1978
The Living Skins, Part 2: Cold War
Episode: 7x06 | Airdate: Nov 13, 1978
Season 8
War of the Empires, Part 1: Close Encounter
Episode: 8x01 | Airdate: Jan 29, 1979
War of the Empires, Part 2: Contact!
Episode: 8x02 | Airdate: Feb 5, 1979
War of the Empires, Part 3: Standing Alone
Episode: 8x03 | Airdate: Feb 12, 1979
War of the Empires, Part 4: All in the Mind
Episode: 8x04 | Airdate: Feb 19, 1979