You can tell when it's been Discoverychannelizedthose bits where the tense of the narrator changes.
'But they would soon discover the one thing that could lead to their downfall...'
crouchingbadger,
Tue 8 Apr 2003, 0:05,
archived)
And the mentionof said channel in the credits (a guess, but think Walking with Dinosaurs/Beasts were, as was Blue Planet) and I also guess that the program is 50 minutes long with a 10 minute "making of" segment. I've not watched it, but I know how these things now work.
(,
Tue 8 Apr 2003, 0:13,
archived)