Watch full episodes and play Wild Kratts at http://pbskids.org/wildkratts
Martin dives in the ocean while holding his breath to see how deep he can go. Chris arrives in his Amphisub and explains to Martin that he would have to dive the length of 40 skyscrapers in order to reach the bottom of the ocean. Good thing Aviva and Koki have created a deep sea vehicle that can travel to the bottom of the ocean!
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