Season 1

Episode Title	Date of Transmission	Archival Status
One and One and One are Four (3 episodes)	-	Missing
The Mind Robbers (3 episodes)	-	Missing
Now you see it, Now you don't (2 episodes)	-	Missing
The Smile (4 episodes)	-	Missing

Season 2

Episode Title	Date of Transmission	Archival Status
Seven Serpents, Sulphur And Salt (3 episodes)	-	Missing
Joker (3 episodes)	-	Missing
Nightmare Gas (3 episodes)	-	Missing
The Eye of Ra (4 episodes)	-	Missing

Season 3

Episode Title	Date of Transmission	Archival Status
The Meddlers (3 episodes)	-	Exists
The Power Of Atep (4 episodes)	-	Exists
Peacock Pie (3 episodes)	-	Exists
Mama Doc (3 episodes)	-	Exists
The Beautiful People (4 episodes)	-	Exists
Sisters Deadly (3 episodes)	-	Exists

Notes

Off-air audio recordings of Seven Serpents, Sulphur And Salt, Nighmare Gas and episodes 2,3 and 4 of The Eye of Ra are known to exist in collectors' hands, although the quality - especially in the case of Seven Serpents, Sulphur And Salt - is poor.

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