Episode 2
Series Episode Number: 259World Premiere: Sat 7 Feb 1970 - 5:16pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 29 Sep 2014 - 8:30pm EDT [Retro TV]
Running Time: 23 minutes 8 seconds
7.30 Million (UK)
Appreciation Index: 58 (UK)Chart Position: 68 () (UK)
Recorded on Mon 22 Dec 1969 in Television Centre 1
Archive State: PAL Restor
Investigating the caves, the Doctor is attacked by a dinosaur-like creature. Dr Quinn is hiding a secret that could endanger the lives of everyone.
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