What on Earth?
2015 - 2023| 12 seasons| IMDb 5.5
Watch What on Earth? (2015) for free in the UK on Pluto TV and Prime Video, or with a subscription on HISTORY Play and Entertainment. Last updated 17 April 2026.
Satellite images reveal baffling phenomena like vanishing tsunamis, red lakes, and giant whirlpools, leading experts to investigate unusual events.
Streaming info last checked: 3 weeks ago
