1. An Incredible Journey Begins

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. 12 March 2013. 50 min

Nigel follows the newborn grey whale calves during their first months of life at Baja’s San Ignacio lagoon.

2. North to the Golden Gate

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. 19 March 2013. 50 min

Nigel Marven follows the grey whales up the Californian coast, spotting humpbacks, a unique fox and Californian condors en route.

3. Swimming with Giants

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. 26 March 2013. 50 min

As the whales swim further into the cold seas of the Pacific Northwest, Nigel joins the Quileute tribe for their annual whale-welcoming ceremony.

4. Journey's End

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. 2 April 2013. 50 min

The whales are now on the final stretch of their journey, with Nigel accompanying them all the way to the Bering Sea.