Witness: Disaster in Japan

S1 E3: The world watched in horror on March 11, 2011, as the fourth largest earthquake ever recorded crippled Japan and triggered a massive tsunami that swallowed entire communities, leaving an unprecedented catastrophe in its wake. All the while, amateur videographers, news crews, tourists and countless others were recording the sights and sounds of the unfolding chaos. From the producers of the critically acclaimed Witness Katrina, National Geographic presents a powerful firsthand look at the tragedy, entirely through the eyes of those who experienced it.