When did What on Earth? Season 1 Episode 4 air?
What on Earth? Season 1 Episode 4 aired on March 3, 2015.


Satellites orbit Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, but some are bizarre. This unique perspective reveals objects that seem to make no sense & phenomena that defy explanation. Such images force the question, what on Earth is that?

NASA astronaut Mike Barratt, describes photographing a strange ring in the ice on the world's oldest and most mysterious lake from the International Space Station. More rings on Lake Baikal have been seen since, they baffle scientists.
Direct answers for episode-level questions and details.
What on Earth? Season 1 Episode 4 aired on March 3, 2015.
This episode runs for approximately 44 minutes.
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