S2·E5 – Final Frontiers⭐ 4.0/5

2010-05-06 • 60 min

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More than 70 percent of Earth is covered in water, but we've only explored roughly 5 percent of it. We've roamed even less of our solar system. Now, armed with some of the latest advances in technology, we join scientists on a voyage into the unknown - from the far reaches of space to the extreme depths of our oceans - where new discoveries have experts questioning everything we know about the universe, and ultimately ourselves. An alternate name of the episode: To the Extremes