Helix Wiki
"The Ascendant"
Episode Information
Season 2
Episode 12
Air Date April 3, 2015
Viewers .54 million[1]
Writer Javier Grillo-Marxuach
David Goldblum
Director Jeff Renfroe
Episode Cast
Previous Plan B
Next O Brave New World
List of Episodes

"The Ascendant" is the twelfth episode of Season 2 of Helix. It originally aired on April 3rd, 2015 (10:00PM EST) on Syfy in the US, and on Showcase in Canada.


Peter (now known as "Eli") takes control of the Abbey, and his first order is the elimination of the CDC team. Julia and Alan discover the location of the Mother Tree, and that it has the resources to carry out the sterilization plan.

Episode Overview[]


To be Added


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Cast and Crew[]

Helix Episode Cast

2.12 - "The Ascendant"


Billy Campbell as Alan Farragut
Kyra Zagorsky as Julia Walker
Matt Long as Kyle Sommer
Mark Ghanimé as Sergio Balleseros*

Guest Starring

Jordan Hayes as Sarah Jordan
Neil Napier as Peter Farragut
Severn Thompson as Sister Anne


Cameron Brodeur as Soren
Sarah Booth as Sister Olivia
Patricia Summersett as Lt. Commander Winger
Brendt Diabo as Guardsman #1
Melanie Sirois as Female Guardsman
Sarah Gravel as Pregnant Woman

* Characters who are credited but did not actually appear in the episode.
** Characters who appeared in the episode, but were not credited.

Production Notes[]

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Season 2
Episodes "San Jose" • "Reunion" • "Scion" • "Densho" • "Oubliette" • "M. Domestica" • "Cross Pollination" •
"Vade in Pace" • "Ectogenesis" • "Mother" • "Plan B" • "The Ascendant" • "O Brave New World"
Primary Characters Alan FarragutJulia WalkerPeter FarragutSarah JordanKyle SommerSergio Balleseros
Secondary Characters Brother MichaelSister AmySister AnneSister AgnesLandryCaleb
Lt. Commander WingerHiroshi HatakeDaniel AerovLeila Weisner
Season 1 • Season 2