Coulson's team goes undercover against HYDRA to learn their true plans... and Grant's connection to them.
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.
The life of Coulson's true love is threatened by HYDRA and the team has to undertake a perilous mission to save her. Meanwhile, Grant tries to get close to Skye and convince her to decrypt the hard drive, but discovers that there's an unexpected complication.moreless
Col. Glenn Talbot pursues Coulson's team as they begin to uncover S.H.I.E.L.D.'s darkest secrets.
Coulson and their team must deal with a traitor within and an organization that distrusts them.
While their teammates investigate a problem at S.H.I.E.L.D. Academy, Coulson and Melinda turn up unexpected information about Skye's parents.
Centipede's interrogation of Coulson helps him uncover information about his death and mysterious resurrection... but at the potential cost of a teammate's life.
Coulson recruits a former enemy, Mike Peterson, to help the team take on Centipede, but they soon find themselves under threat from an unexpected quarter.
Melinda is forced to confront her past when a mysterious force threatens the team.
In the aftermath of the Dark Elves' assault on Earth, Coulson and his team are called in to pick up the pieces... and find an artifact that may kill one of them.
Grant and Fitz are sent on a suicide mission, and Coulson desperately works to save their lives from within S.H.I.E.L.D.
The team goes up against a killer who leaves their victims' bodies floating in mid-air.
The team travels to Asia to track down a girl in a flowered dress who holds the key to locating a young man with a dangerous power. Meanwhile, Skye's loyalties are divided between the team and Rising Tide.moreless
Coulson and the team go after a mysterious master thief, only to discover that she has connections to Coulson that could ruin his life.
It's a race against the clock when Skye leads the team to find Dr. Franklin Hall, who has been abducted by unknown kidnappers.
Coulson and his team travel to Peru to recover a mysterious artifact designated 0-8-4. However, they run up against an enemy agent, Camilla Reyes, who also wants the item.
Beckett has an interview with a federal law enforcement agency which compels her to reassess her job and her relationship with Castle. The latest case involves skid row and turns up many peculiar things about the death of a young woman found inside a water tank there.moreless
Castle and Beckett find themselves shut out of a crime scene by Homeland Security. Things get complicated when they discover that the victim, a government whistle-blower, was killed by a military drone's missile.moreless
While the team looks for a way to disarm the bomb that Beckett has stepped on, Castle diverts her attention by engaging in an argument about who fell for whom first.
Castle's jealousy surfaces when Beckett is assigned as private protection for charming billionaire Erik Vaughn.
Primate research, big game hunting and Bigfoot all play into the investigation, when Castle and Beckett hunt for a murderer who left giant footprints at the scene.
Castle's stuck in the loft with a broken leg as Beckett investigates an IRS agent's death. Bored and unhappy, Castle spends his time looking out the window where he thinks he's seen a young woman murdered.moreless
Castle and Beckett investigate the discovery of a man found dead in an industrial cake mixer and a link to an Irish Staten Island gang and bar owner, Siobhan O'Doul. Surprising everyone is that Ryan has a history with Siobhan from when he worked undercover in narcotics. With no leads and the case threatening to go cold, Ryan goes back undercover to help find the killer.moreless
A "haunted" video seems to have scared a young woman to death and now Castle is convinced he's next after inadvertently watching the cursed video.
When Castle takes matters into his own hands, after the FBI fail to get Alexis back, he discovers that the kidnapping may be part of something more ominous.