In the Season 1 finale, the battle against Garrett and Hydra comes to a climax and dark secrets are exposed.
Season 1, Episode 21
Agent Coulson and the team go undercover to take on Hydra. Meanwhile, they learn the truth about Ward's allegiances.
During S.H.I.E.L.D.'s darkest hour, Coulson receives assistance from Agent Maria Hill (Cobie Smulders).
Things get personal for Agent Coulson, who must race against time to save his one true love, the cello-playing Audrey (Amy Acker).
Season 1, Episode 18
Col. Glenn Talbot (Adrian Pasdar) pursues Coulson's team as they begin to uncover S.H.I.E.L.D.'s darkest secrets.
The agents find themselves trapped without allies and facing a traitor among them.
The S.H.I.E.L.D. agents close in on the Clairvoyant with help from Garrett and Triplett. Meanwhile, they must contend with their former ally Mike Peterson, now reborn as the cyborg Deathlok.
Season 1, Episode 15
When Asgardian enchantress Lorelai journeys to Earth, Agent Coulson and S.H.I.E.L.D. team up with the Lady Sif to stop her.
Agent Coulson solicits help from Ward's former S.O., John Garrett (Bill Paxton) on his mission to save Skye and discovers new information about himself and S.H.I.E.L.D. in the process.
A mysterious train proves dangerous for Agent Coulson and the team as they pursue the Clairvoyant.
Season 1, Episode 12
Information about Skye's past comes to light. Meanwhile, the team faces a storm at S.H.I.E.L.D. Academy.
Agent Coulson learns more about the mystery of his death, but the information may come at too high a cost.
Season 1, Episode 10
Secrets are revealed and threats loom when Agent Coulson decides to team up with super-soldier Mike Peterson to go after the shadowy Centipede.
Season 1, Episode 9
A secret from May's past may be the key to saving the team from being destroyed by a mysterious force.
Season 1, Episode 8
A crossover episode with "Thor: The Dark World" (2013) finds the agents dealing with the aftermath of the film's events, which pose a danger to one member of the team.
Season 1, Episode 7
Agent Coulson works to save Ward and Fitz after they embark on a Level 8 classified mission that could prove dangerous.
Season 1, Episode 6
Agent Coulson and the team find themselves in danger while tracking an elusive killer.
Agent Coulson and the team head to Asia to rescue a young man with an extraordinary power, and a mysterious girl in a flower dress may be able to help them on their journey. Meanwhile, a secret jeopardizes Skye's relationship with the other agents.
Season 1, Episode 4
The agents track down a mysterious woman who has pulled off a variety of risky capers, but the investigation reveals a secret that could have a negative effect on Coulson.
Season 1, Episode 3
Agent Coulson and the S.H.I.E.L.D. team spring into action after a brilliant scientist is kidnapped.
Season 1, Episode 2
Coulson encounters Comandante Camilla Reyes in Peru during a trip to investigate a mysterious object.
Season 1, Episode 1
Agent Phil Coulson assembles a team to investigate extraordinary people and events around the world in this action-adventure series. In the premiere, the team goes after a man who has gained unusual and potentially dangerous powers.