S.H.I.E.L.D., the tactical government agency introduced in Marvel's The Avengers, protects humanity from otherworldly invasions.

1. Pilot 44m To track an unknown enemy, agent Phil Coulson assembles a select group of agents from the worldwide law-enforcement organization known as S.H.I.E.L.D.

2. 0-8-4 42m Coulson runs into Comandante Camilla Reyes when he and the agents travel to Peru to investigate a mysterious object.

3. The Asset 43m When brilliant scientist Dr. Franklin Hall is kidnapped, Agent Coulson and his S.H.I.E.L.D. team must race against the clock to locate him.

4. Eye Spy 43m Agent Coulson and the team track down a mysterious woman who has single-handedly committed numerous high-stakes heists.

5. Girl in the Flower Dress 42m Coulson and the team try to rescue a young man with an unusual and dangerous power. Skye has a secret that jeopardizes her relationship with the team.

6. F.Z.Z.T 43m When floating bodies turn up, Coulson and the agents of S.H.I.E.L.D. must hunt down an elusive killer. No one is safe -- not even the team.

7. The Hub 43m Agent Coulson works the system to save Ward and Fitz when they're sent on a Level 8 classified mission.

8. The Well 42m In the aftermath of the events chronicled in the feature film Thor: The Dark World, Coulson and the S.H.I.E.L.D. team try to pick up the pieces.

9. Repairs 43m Coulson and his team are haunted by a mysterious force that threatens to destroy them all, and only a secret from May's past can save them.

10. The Bridge 42m In a shocking cliff-hanger, Coulson takes the war back to Centipede, and this time he brings in Mike Peterson for some supersoldier support.

11. The Magical Place 43m Coulson uncovers vital information about the mystery of his death, but with Centipede out for blood, the knowledge may come at a great cost.

12. Seeds 43m Coulson and May uncover startling information about Skye's past, while the team is swept into a storm at S.H.I.E.L.D. Academy.

13. T.R.A.C.K.S. 43m Hot on the trail of the Clairvoyant, Coulson and his team board a mystery train that seems headed for certain death.

14. T.A.H.I.T.I. 43m On a quest to save Skye, Coulson enlists the aid of Ward's former supervising officer -- and uncovers shocking truths about himself and S.H.I.E.L.D.

15. Yes Men 43m When deadly seductress Lorelei attacks Coulson and his team, Thor's Lady Sif, Lorelei's longtime nemesis, steps in to try to save them.

16. End of the Beginning 41m Agents Garrett and Triplett are back to help Coulson's team track down S.H.I.E.L.D.'s nefarious enemy -- the Clairvoyant.

17. Turn, Turn, Turn 43m Coulson and his team find themselves without anyone they can trust, only to discover that they're trapped with a traitor in their midst.

18. Providence 43m With Col. Glenn Talbot now on their trail, Coulson and his team take refuge and begin to uncover S.H.I.E.L.D.'s most dangerous secrets.

19. The Only Light in the Darkness 43m When the life of Coulson's true love is threatened by Hydra, the team must undertake a perilous mission to save her.

20. Nothing Personal 43m Agent Maria Hill returns to help Coulson as what's left of S.H.I.E.L.D. collapses due to the efforts of Hydra.

21. Ragtag 43m While Ward recalls his first time meeting Garrett, Coulson and May infiltrate Cybertek and uncover details about Garrett’s past in Project Deathlok.