DO WE NEED 'EM!? FEATURING KARL PILKINGTON (VIDEO)

Karl Pilkington sits down with world renowned scientific experts to discuss his proposal to eliminate certain animal species because they're weird 'n that. Ricky Gervais & Stephen Merchant are dumbfounded.

CHAPTERS:
Jellyfish (0:00)
Octopus (6:49)
Snails (13:20)
Cockroach (19:44)