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The 100 S01E12, We Are Grounders (1)S01E12

The 100 · Season 1

The 100 season 1 episode 12: We Are Grounders (1)

Aired 4 June 201443 minRated TV-14

7.5TMDB · 60 votesMark watched

Where to watch The 100 Season 1 in Australia

The 100 season 1 is streaming in Australia on Prime Video (subscription) and HBO Max (subscription), and free on 9Now. You can also buy it on Apple TV from $29.99, Fetch TV from $19.99 and Prime Video Store from $26.99.

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Free

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Availability checked 16 November 2026.

What happens in “We Are Grounders (1)”

Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavia and Jasper deal with a vengeful Murphy. On the Ark, Jaha makes a plan to try and get to Earth.

Episode summary: TMDB.

Before you watch

  • It is episode 12 of 13 of season 1, so watch episodes 1 to 11 first.
  • It runs about 43 minutes.
  • Directed by Dean White, written by Tracy Bellomo and Akela Cooper.
  • TMDB users rate it 7.5 out of 10 (60 votes).

The 100 trailer

The official trailer for the series (no preview of this episode has been published).

The 100 trailerPlay video: The 100 trailer

Cast and crew of this episode

Director
Dean White
Writers
Tracy BellomoAkela Cooper
Guest stars
Jarod Joseph as Nathan MillerRicky Whittle as LincolnLevi Meaden as DrewDichen Lachman as AnyaKeenan Tracey as SterlingBrendan Meyer as MylesJoseph Gatt as TristanElla Pitkin as Young Clarke

Credits: TMDB.

More from The 100 Season 1

  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13

Every episode of Season 1The 100 episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.