Episode Four
Series Episode Number: 223World Premiere: Sat 23 Nov 1968 - 5:14pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 18 seconds
6.40 Million (UK)
Appreciation Index: 51 (UK)Chart Position: 73 () (UK)
Recorded on Fri 11 Oct 1968 in Lime Grove D
Archive State: Missing
Trapped by Vaughn's men at International Electromatics, the Doctor requests help from the Brigadier and UNIT, the United Nations Intelligence Taskforce.
A UFO is delivering cocoons to the electronics firm � but what is inside them?
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