Every season of Treadstone ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Treadstone!

From the world of Jason Bourne, agents across the globe are "awakening" to resume deadly missions.

The Cicada Protocol

Bentley returns to CIA. Tara travels abroad. Edwards digs deeper. Doug has nightmares.

The Kwon Conspiracy

Bentley searches for answers. Edwards meets an asset. Doug gets a visitor. Soyun gets a mission.

Doug solves a problem. Edwards has a breakthrough. Soyun embarks on a dangerous journey.

Bentley discovers the truth. Doug goes on a dangerous mission. Tara confronts her past.

Soyun has a setback. Bentley takes a trip. Edwards tries to keep Haynes under control.

Doug gets intel. Petra visits a comrade. Tara hits rock bottom. Bentley makes a choice.

Doug tries to save a target. Edwards and Haynes are hunted. Soyun goes undercover.

Tara gets answers. Soyun has a plan. Doug prepares for a mission. Bentley becomes a prisoner again.

Bentley makes a choice. Tara takes action. Edwards runs into complications. Soyun cuts a deal.

The Treadstone project, having created super spy Jason Bourne, turns its attention on a new protocol to develop unstoppable superhuman assassins.