When did Deadly 60 Season 3 Episode 21 air?
Deadly 60 Season 3 Episode 21 aired on August 25, 2012.


Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals.

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.
Direct answers for episode-level questions and details.
Deadly 60 Season 3 Episode 21 aired on August 25, 2012.
This episode runs for approximately 28 minutes.
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