When did Horizon Season 0 Episode 123 air?
Horizon Season 0 Episode 123 aired on May 21, 2016.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
BBC weatherman Peter Gibbs makes an emotional return to Antarctica, years after he lived and worked at the British Antarctic Survey's Halley Research Station. (Part One as shown on BBC News)
Direct answers for episode-level questions and details.
Horizon Season 0 Episode 123 aired on May 21, 2016.
This episode runs for approximately 60 minutes.
Comments coming soon
Discuss episodes with other viewers