Attack on Titan is one of the best anime series ever, though some episodes are better than others. Depending on the type of viewer one is, the episodes that end with huge cliffhangers may be their favorite or least favorite. On one hand, cliffhangers give fans something to look forward to in the next episode. However, on the other hand, fans may want to know what happens next right away.
There are many great cliffhanger-ending episodes throughout the anime, from the beginning of the series to the first part of Season Four.
10 The Colossal Titan Appears At The End Of "Night Of The Graduation Ceremony"
The beginning of Attack on Titan focused on how Eren and his comrades became soldiers, with them graduating from the 104th Cadet Corps in the fourth episode. Afterwards, they went to Trost, where Eren thought about how far he had come and all the things he wanted to do. However, the Colossal Titan, one of humanity's biggest threats at the time, suddenly materialized behind him. Shocked, Eren and his friends froze for a moment, before he tried to defeat the Colossal Titan on his own. Fans were very excited to see the two of them fight.
9 Eren Almost Died In "First Battle"
In the following episode, Eren and the Colossal Titan fought each other for a bit. However, the Colossal Titan disappeared, leaving a hole in the wall to Trost District, allowing other titans to get inside. Eren and his squad were eager to fight their enemies, not being prepared for how difficult it would actually be. Nearly all of Eren's comrades died. As Armin was almost eaten, Eren came to his rescue and was devoured instead. It had seemed that the main character died in the fifth episode, shocking viewers.
8 Ymir Transforms In "Soldier"
When Ymir, Reiner, Connie, Historia, and Bertholdt were attacked by the citizens of Ragako who Zeke turned into titans, all hope seemed lost. However, after Connie gave Ymir his knife, she used it to cut herself as she jumped off of the top of Utgard Castle, transforming into her Jaw Titan so she could protect her comrades. This shocked both fans as well as her comrades, as there weren't many signs that she was a titan shifter.
7 "Warrior" Revealed The Shocking Truth Behind Reiner And Bertholdt's Identities
The reveal that Reiner and Bertholdt were the Armored and Colossal Titans is arguably the best plot twist in the entire series. Reiner casually confessed the truth to Eren, hoping that he could convince him to go to Marley with them.
However, once Eren refused, Reiner and Bertholdt transformed, shocking the Survey Corps, despite some of them already suspecting who they really were. After thinking back on his friendship with the warriors, Eren transformed, and viewers were excited to see him fight Reiner in the following episode.
6 Zeke Killed Erwin In "Perfect Game"
In Shiganshina, the Survey Corps fought against the Warrior Unit. Erwin, Levi, Marlowe, Floch, and many other soldiers focused on fighting Zeke while their comrades attacked Bertholdt and Reiner. Knowing that the Beast Titan would most likely kill all of them, Erwin and his followers charged at Zeke, while Levi snuck behind him, planning to kill him. During the charge, Zeke threw rocks at them. When one of them hit Erwin, fans were saddened that their favorite commander, at least at the time, was about to die.
5 "The Basement" Proved That People Lived Outside Of Paradis
One of the biggest mysteries in Attack on Titan was what was inside the basement of Eren's childhood home. When he, Mikasa, Levi, and Hange were finally able to go in it, they found out the truth about the world. There were humans who lived outside of Paradis, and Grisha was one of them. Knowing this, everything that fans once thought about the lore of the series turned out to be a lie, and they would never be able to watch it the same way again. From that day, it only got better.
4 One Of The Greatest Mysteries Began In "Attack Titan"
Before Grisha went to Paradis, he lived in Marley and was one of the Eldian Restorationists' leaders. After they were discovered by Marley, most of them were turned into titans. However, a Marleyan officer, Kruger, revealed to be both the founder of the group and the inheritor of the Attack Titan, saved Grisha. He told Grisha all about the Nine Titans and the Fritz family, sending him off on his mission to inherit the Founding Titan after passing his Attack Titan down to him.
He also mentioned Armin and Mikasa to Grisha, neither of whom were born at the time. As both of them were confused by Kruger's words, he wondered whose memories he just thought of. While manga readers know the truth behind Kruger saying this, anime-only fans are still in the dark.
3 Reiner And Eren Reunited In "From One Hand To Another"
At the beginning of the fourth season, the main perspective of the series changed from the Survey Corps in Paradis to Marley's Warrior Unit. During a festival in which Willy Tybur united people from all over the world to warn them about how dangerous Eren was, Falco brought Reiner to a basement to meet an old friend. However, Falco wasn't aware that this friend was actually Eren, who snuck into Marley and pretended to be a patient named Kruger, tricking him. When Reiner met with Eren, he was shocked, especially since some of the most powerful people in the world were talking about him right above their heads.
2 Eren's Attack On Humanity Began In "Declaration Of War"
In the following episode, while Willy Tybur told the world about the truth behind the Great Titan War and how dangerous Eren was, Reiner and Eren listened to his speech. Eren agreed with the things Willy said, knowing that he was powerful enough to destroy the whole world, but also admitted to Reiner that, to him, the warriors were just as terrifying due to what they did at the beginning of the series. Eren was able to understand the people in Marley as he observed them and considered himself to be the same as Reiner. He then transformed in front of him and Falco. Meanwhile, Willy was able to convince the world to unite in order to kill the Eldians in Paradis. As he did, Eren appeared behind him and ate him. Eren began his invasion on Marley, the same way Reiner attacked Paradis.
1 Zeke And Levi May Have Died In "Sole Salvation"
After Levi defeated Zeke in a battle, he tied a thunder spear to him, making him a hostage and unable to move. However, after thinking of his life and how he got to where he was, Zeke decided to set off the thunder spear anyway, blowing himself and Levi up. Fans of both Levi and Zeke have since been left wondering if they survived or not. While manga readers know what happened to the two of them, those that have only watched the anime are still unaware of their fates and will have to wait a couple more months to find out.