The BEST Episodes of Helix
Every episode ever - ranked by fan votes!
Last Updated: May 19, 2021
Network: Syfy
A team of scientists from the Centre for Disease Control travel to a high tech research facility in the Arctic to investigate a possible disease outbreak, only to find themselves pulled into a terrifying life-and-death struggle that holds the key to mankind's salvation...or total annihilation.
#1 - Level X
Season 1 - Episode 9 - Aired Feb 28, 2014
The CDC teams learns the real purpose of the infection and Alan and Julia make a perilous journey to retrieve the canister that has the original source virus.
7.93 
#2 - Fushigi
Season 1 - Episode 10 - Aired Mar 7, 2014
In a last ditch effort to find help and a cure, Alan and Julia go to an abandoned satellite station discover a shocking secret that reveals Hatake's ultimate goal and the reason why he has developed the deadly virus.
7.91 
#3 - Black Rain
Season 1 - Episode 11 - Aired Mar 14, 2014
The Vectors start working together to hunt down the uninfected as the CDC develops a risky cure and a band of assassins from Ilaria secretly infiltrate the base.
7.88 
#4 - The Reaping
Season 1 - Episode 12 - Aired Mar 21, 2014
The uninfected are hiding in a secret bunker on the base as the CDC attempt to retrieve the canisters with the virus and the cure while the Ilaria assassins capture Hatake and force him to chose between which one of his children they will kill first.
7.84 
#5 - Single Strand
Season 1 - Episode 4 - Aired Jan 24, 2014
As Alan risks killing Peter in a desperate effort to cure him, Walker teams with a mysterious young researcher to survive their quarantine. Jordan discovers her Rapid Response test is flawed.
7.84 
#6 - Survivor Zero
Season 1 - Episode 7 - Aired Feb 14, 2014
As Ilaria CEO Constance Sutton arrives to collect the virus and its cure, Alan finds Walker seemingly symptom-free. Daniel learns the truth about his “adoption” by Hatake.
7.83 
#7 - Bloodline
Season 1 - Episode 8 - Aired Feb 21, 2014
Alan risks his life to save his brother Peter from Ilaria CEO Constance Sutton, only to see him re-captured by Vectors. Julia Walker deals with the mystery of her “cure” while her half-brother Daniel confronts their father, Dr. Hatake, about being abducted as a child.
7.82 
#8 - 274
Season 1 - Episode 3 - Aired Jan 17, 2014
As Alan sets up an isolation unit to quarantine the infected lab workers, Walker and Jordan each face the possibility that they have the deadly virus, too.
7.80 
#9 - Aniqatiga
Season 1 - Episode 6 - Aired Feb 7, 2014
After Daniel leaves Balleseros to die, the mystery surrounding his connection to Hatake (Hiroyuki Sanada) is revealed. As he works to save Peter (Neil Napier), Alan (Billy Campbell) struggles with his feelings for both Walker (Kyra Zagorsky) and Jordan (Jordan Hayes).
7.80 
#10 - Dans L'Ombre
Season 1 - Episode 13 - Aired Mar 28, 2014
Alan and Peter capture the assassin Scythe and demand to know the whereabouts of Julia’s mother. Balleseros confronts Hatake about the missing Inuit children, while Anana and her brother learn of Daniel’s fate. Concerns that the virus is in Ilaria’s possession again forces Alan and the team off the base to search the world in order to retrieve it.
7.79 
#11 - Pilot
Season 1 - Episode 1 - Aired Jan 10, 2014
A Center for Disease Control medical team’s investigation of a disease outbreak at a high tech arctic research lab uncovers the truth about a secretive research project that could threaten the future of humankind.
7.74 
#12 - O Brave New World
Season 2 - Episode 13 - Aired Apr 10, 2015
Alan's relationship with Walker reaches a bloody climax, while his sibling feud with Peter erupts in flames. Elsewhere, Kyle does his best to protect a possible cure for the mycosis.
7.70 
#13 - The White Room
Season 1 - Episode 5 - Aired Jan 31, 2014
As Alan’s controversial cure leaves Peter clinging to life, the unchecked virus forces Jordan to make a devastating decision. Walker discovers the surprising truth about her new ally, while Daniel squares off against Balleseros.
7.70 
#14 - Vector
Season 1 - Episode 2 - Aired Jan 10, 2014
As Dr. Alan Farragut accelerates the hunt for his infected brother Peter, the quarantine of three scientists threatens to create panic at the lab. Doreen finds evidence that Dr. Hatake is lying about his research.
7.63 
#15 - Vade in Pace
Season 2 - Episode 8 - Aired Mar 6, 2015
As the CDC team reels from the devastation at the Abbey, the Coast Guard arrives with news of a new outbreak. Meanwhile, incensed from her imprisonment, Amy takes control of the Abbey, locking Michael in the pit. Jordan, convinced her baby still lives, reveals the truth of the immortals to Kyle in exchange for his help. In the future, Walker's quest for Hatake's missing sword causes her to delve deeper into the Abbey's secrets
7.57 
#16 - Plan B
Season 2 - Episode 11 - Aired Mar 27, 2015
Plan B are determined to make sure that the virus and the infected people do not leave the island.
7.48 
#17 - Scion
Season 2 - Episode 3 - Aired Jan 30, 2015
Peter and Jordan leave the safety of the Abbey to retrieve some specimens and discover just what’s living in the woods, meanwhile Sister Amy plots to make them leave forever.
7.47 
#18 - Densho
Season 2 - Episode 4 - Aired Feb 6, 2015
As Michael struggles to keep the abbey under control, the CDC team moves closer toward tracking the source of the pathogen. Alan fights the urge to rejoin his team and confronts the reality about Peter’s allegiances. In the future, Walker makes a desperate attempt to escape from her delusional father, with potentially deadly consequences.
7.46 
#19 - The Ascendant
Season 2 - Episode 12 - Aired Apr 3, 2015
Peter finds his purpose as the new leader of Michael's order as the CDC team continues the desperate search for the Mother Tree.
7.45 
#20 - Oubliette
Season 2 - Episode 5 - Aired Feb 13, 2015
Michael locks Peter and Alan in a pit. Alan escapes and discovers that Kyle has a secret of his own. Agnes reveals a shocking truth to Michael, who drastically turns on her for doubting him. In the future, Caleb uncovers Walker's deception and takes matters into his own hands.
7.44 
#21 - Mother
Season 2 - Episode 10 - Aired Mar 20, 2015
The Abbey becomes a house of horrors as Kyle struggles with his infection and Anne begins to shape a successor to Michael.
7.43 
#22 - Reunion
Season 2 - Episode 2 - Aired Jan 23, 2015
The CDC team continue to investigate the island; at the same time, they discover Peter's brother, Alan, is a member of Brother Michael's cult, and his warnings for them to leave the abbey fall on deaf ears.
7.40 
#23 - San Jose
Season 2 - Episode 1 - Aired Jan 16, 2015
15 months after the events at Arctic Biosystems, new CDC team with the addition of biotoxicologist Kyle Sommer respond to a potential outbreak on a Windjammer in the Northern Pacific. Their search leads them to an island occupied by a mysterious cult led by the charismatic Michael. Meanwhile, 30 years in the future, Walker arrives at the same island searching for Alan Farragut.
7.39 
#24 - M. Domestica
Season 2 - Episode 6 - Aired Feb 20, 2015
Amy creates an outbreak of the disease. Michael torments Peter in the pit. Alan, Jordan and Kyle discover the truth about the Abbey's food chain. An uprising at the Abbey threatens the safety of the uninfected. In present-day Paris, Balleseros meet an unlikely immortal.
7.38 
#25 - Cross-Pollination
Season 2 - Episode 7 - Aired Feb 27, 2015
As Peter gains a new cellmate, Michael takes extreme action when his followers begin to mutiny.
7.36