In 1997, an underwater listening system picked up a sound so powerful it was detected across 5,000 kilometers of ocean. Louder than any known animal. Then gone. Scientists called it The Bloop. Over 25 years later — no one has a definitive answer.

In 1997, an underwater listening system picked up a sound so powerful it was detected across 5,000 kilometers of ocean. Louder than any known animal. Then gone. Scientists called it The Bloop. Over 25 years later — no one has a definitive answer.

The Bloop — The Loudest Unexplained Sound Ever Recorded from the Deep Ocean

Every episode, we follow one mystery.
One signal that was never fully explained.
From the edges of space to the depths of human history.
If it has no answer, we go there.

History

Every episode, we follow one mystery. One signal that was never fully explained. From the edges of space to the depths of human history. If it has no answer, we go there.

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The Bloop — The Loudest Unexplained Sound Ever Recorded from the Deep Ocean

The Bloop — The Loudest Unexplained Sound Ever Recorded from the Deep Ocean