Season 3 · Episode 21
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Parasites
Sat, Aug 25, 2012
·
28 min
From leeches to tapeworms and cuckoos to mosquitoes Steve reveals the mind-boggling methods that parasites employ to survive, breed and feed by exploiting their animal and human hosts.
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Sat, Aug 25, 2012
28 min
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Deadly 60
110 episodes
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S3 · E21
in Deadly 60
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S3 · E22
Superpower
Mon, Aug 27, 2012