After barely surviving Eren's recovery a rising threat from the shadows puts everyone's lives in danger again.
The Scouts take a stand against a new enemy, but it's not just Titans they'll be fighting anymore.
Historia and Erwin look back on their past, revealing shady actions taken by the government and a motivation for change.
On the run and running out of time, the Scouts must entrust their lives to others if they plan on surviving.
Erwin pleads his case for the Scouts to be spared, but an unforeseen announcement puts the fate of humanity at risk.
While sins of the past reveal new truths, both sides prepare for the upcoming showdown before they run out of time.
Kenny recalls the life which has brought him to death's door, but he gets to decide whether to live on or not.
Having seen a glimpse of his father's past, Eren attempts to track down a man who might shed some light on his father's secrets.
The Scouts enjoy a feast before retaking Wall Maria. They'll soon uncover what's hidden within the basement, once and for all.
As the Scout Regiment begins its push toward Shiganshina, they encounter an intelligent Female Titan unlike any they've seen before. When Armin hypothesizes that it's really a human that's been turned into a Titan, he, Jean, and Reiner attempt to stop it.
As the Female Titan continues to tear its way through the Scout Regiment, Levi makes a bold decision to split the ranks and send Eren and the supply wagons through a huge forest. Is his strategy genius, or does it spell certain death for the scouts?
A memory of Eren testing out his Titan powers sheds new light on how his abilities work. As the Female Titan continues to slaughter members of the Scout Regiment, Eren is faced with a difficult decisions: does he trust his teammates or act out on his own?
The Female Titan has been captured, and it's Erwin's goal to find out who the human is lurking inside it. Meanwhile, the Scouts realize that the reason Levi told no one about their true mission outside the wall is because there is a spy among their ranks.
A traitor has infiltrated the Scout Regiment, destroying their ranks from within. When cornered, she once again takes the form of the Female Titan—but this time, Eren's not going to let her get away without one insanely brutal fight.
After watching Eren get swallowed by the Female Titan, Mikasa and Levi follow the brutal monster in the hopes that he's still alive inside her. As the Scout Regiment tries to recover from the devastating losses of the operation, emotions run high.
After the failed scouting expedition, Eren and his superiors are summoned to the capital. Annie witnesses just how deep corruption runs in the Military Police, and agrees to join Armin in a plot to defy the government—but nothing is really as it seems.
Coupled with the military's cover up of a previous incident, the shocking discovery inside the wall causes a stir. Elsewhere, while the new Scout recruits are held for observation, a surprising threat appears.
With the appearance of Titans within Wall Rose, Sasha and Conny ride as messengers to warn their villages of the impending threat.
The Scouts search for a hole in the wall while Eren and the others learn that someone close may be hiding all the answers.
Unarmed and overwhelmed by the Titan assault on the castle, the only hope for the Scouts may lie in a promise and a secret.
Utgard Castle comes crumbling down as Ymir desperately battles the Titans. Now, Christa must fulfill the promise they made long ago during winter training.
Following the battle, the Scouts regroup atop the wall only to find more questions than answers. Before they leave for Trost to get medical attention, Reiner must fulfill what he came to do.
With a new enemy revealed, Eren and the Scouts fight back using all the techniques at their disposal. However, the Armored and Colossal Titan have other plans in mind.
Without a way to pursue the Titans, the Scouts have no choice but to recuperate as they wait for reinforcements. But do they still have faith in Eren?
The Scouts rally and charge in pursuit, but Reiner is not quite himself while the group is trapped in the giant forest until nightfall.
When their group finally flees, Ymir wonders whether she should lie or stay true to herself, even if it means ruining the lives and futures of those she cares about.
While the recruits attempt to reason with Bertholdt, Commander Erwin charges forth in a desperate strategy to topple the Armored Titan.