Helix

E1. Pilot

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.

★ 7.1

E2. Vector

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.

★ 6.8

E3. 274

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.

★ 6.7

E4. Single Strand

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.

★ 7.1

E5. The White Room

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.

★ 6.9

E6. Aniqatiga

After Daniel leaves Balleseros to die, the mystery surrounding his connection to Hatake is revealed. As he works to save Peter, Alan struggles with his feelings for both Walker and Jordan.

★ 7.1