Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve takes to the seas to demonstrate the speed of the mighty tuna. Show more
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Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve takes to the seas to demonstrate the speed of the mighty tuna. Show more
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
