Steve Backshall's on an explosive mission to find the deadliest dinosaur of all time!
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Steve Backshall's putting the biggest animals to have ever walked the earth to the test.
Steve Backshall's on a quest to track down the deadliest of all dinosaur defenders!
Steve Backshall's on an explosive mission to find the deadliest dinosaur of all time.
Steve Backshall's on a mission to find the freakiest dinosaur ever to have lived.
Steve Backshall's on a mission to find out how deadly the prehistoric skies really were.
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