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Horizon

  • TV-PG
  • 1964–
  • 62 seasons
  • Documentary
  • 7.5

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Watch free on PBSStart at S1 · E1

Latest episode

S62 · E1 · Artemis: To the Moon and Back

Apr 15, 2026

Episodes

1 episode

  1. 1Artemis: To the Moon and Back

    60 minApr 15, 2026

    The inside story of the Artemis II mission - filmed over three and a half years at NASA. How did four astronauts travel to the moon, going deeper into space than ever before?

Where to watch Horizon

Free

No subscription, no ads

Availability from JustWatch, via TMDB. Full listing for United States

Series cast

Michael MosleySelf8 episodes
Paul VaughanNarrator (voice)6 episodes
Alice RobertsSelf - Presenter4 episodes
Hannah FrySelf - Presenter4 episodes
Richard FeynmanSelf4 episodes
Brian CoxPersonter4 episodes
Giles YeoPresenter3 episodes
Xand van TullekenPresenter3 episodes
David AttenboroughHimself / Narrator3 episodes
Steven MackintoshHimself - Narrator3 episodes
Kevin FongSelf - Presenter3 episodes
Michio Kaku2 episodes
Kelly HunterHerself - Narrator2 episodes
Helen McCroryNarrator2 episodes
Chris van TullekenPresenter2 episodes
Helen CzerskiSelf - Presenter2 episodes
Iain StewartSelf - Presenter2 episodes
David Lutyens2 episodes

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