S01E01 - The Slaves of Jedikiah (1) S01E02 - The Slaves of Jedikiah (2) S01E03 - The Slaves of Jedikiah (3) S01E04 - The Slaves of Jedikiah (4) S01E05 - The Slaves of Jedikiah (5) S01E06 - The Medusa Strain (1) S01E07 - The Medusa Strain (2) S01E08 - The Medusa Strain (3) S01E09 - The Medusa Strain (4) S01E10 - The Vanishing Earth (1) S01E11 - The Vanishing Earth (2) S01E12 - The Vanishing Earth (3) S01E13 - The Vanishing Earth (4) S02E01 - The Blue and the Green, Part 1: An Apple for the Teacher S02E02 - The Blue and the Green, Part 2: The Changing Picture S02E03 - The Blue and the Green, Part 3: The Trojan Horse S02E04 - The Blue and the Green, Part 4: Cuckoo in the Nest S02E05 - The Blue and the Green, Part 5: The Swarming Season S02E06 - A Rift in Time, Part 1: Vase of Mystery S02E07 - A Rift in Time, Part 2: Turn of the Thumb S02E08 - A Rift in Time, Part 3: From Little Acorns... S02E09 - A Rift in Time, Part 4: Rise of the Roman Empire S02E10 - The Doomsday Men, Part 1: Dressed to Kill S02E11 - The Doomsday Men, Part 2: The Burning Sword S02E12 - The Doomsday Men, Part 3: Run Rabbit Run S02E13 - The Doomsday Men, Part 4: The Shuttlecock S03E01 - Secret Weapon, Part 1: Found and Lost S03E02 - Secret Weapon, Part 2: Not Quite a Sleeping Beauty S03E03 - Secret Weapon, Part 3: Whose Side Are You On, Professor? S03E04 - Secret Weapon, Part 4: A Present from Russia S03E05 - Worlds Away, Part 1: Secret of the Pyramid S03E06 - Worlds Away, Part 2: Hound of the Night S03E07 - Worlds Away, Part 3: More for the Burning S03E08 - A Man for Emily, Part 1: The Fastest Gun S03E09 - A Man for Emily, Part 2: Here We Go Round the Doozlum S03E10 - A Man for Emily, Part 3: Shotgun Wedding S03E11 - The Revenge of Jedikiah, Part 1: Curse of the Mummy's Tomb S03E12 - The Revenge of Jedikiah, Part 2: Last Chance S03E13 - The Revenge of Jedikiah, Part 3: Farewell Performance S04E01 - One Law, Part 1: One Law for the Poor S04E02 - One Law, Part 2: Another for the Rich S04E03 - One Law, Part 3: Which Prohibits Them Equally from Stealing Bread S04E04 - Into the Unknown, Part 1: Into the Unknown S04E05 - Into the Unknown, Part 2: The Father-Ship S04E06 - Into the Unknown, Part 3: The Tunnel S04E07 - Into the Unknown, Part 4: The Circle S05E01 - The Dirtiest Business pt 1: A Spy is Born S05E02 - The Dirtiest Business pt 2: A Spy Dies... S05E03 - A Much Needed Holiday: Spilled Porridge S05E04 - A Much Needed Holiday: Just Desserts S05E05 - The Heart of Sogguth, Part 1: Beat the Drum S05E06 - The Heart of Sogguth, Part 2: Devil in Disguise S06E01 - The Lost Gods, Part 1: Flight of Fancy S06E02 - The Lost Gods, Part 2: Life before Death S06E03 - Hitler's Last Secret, Part 1: Men Like Rats S06E04 - Hitler's Last Secret, Part 2: Seeds of Destruction S06E05 - The Thargon Menace, Part 1: Unexpected Guests S06E06 - The Thargon Menace, Part 2: Playing with Fire S07E01 - Castle of Fear, Part 1: Ghosts and Monsters S07E02 - Castle of Fear, Part 2: Fighting Spirit S07E03 - Achilles Heel, Part 1: A Room at the Inn S07E04 - Achilles Heel, Part 2: Everything to Lose S07E05 - The Living Skins, Part 1: A Harmless Fashion S07E06 - The Living Skins, Part 2: Cold War S08E01 - War of the Empires, Part 1: Close Encounter S08E02 - War of the Empires, Part 2: Contact! S08E03 - War of the Empires, Part 3: Standing Alone S08E04 - War of the Empires, Part 4: All in the Mind
