The immensely popular anime Attack on Titan reached record breaking numbers of viewers its most recent season, and it's clear to see why. From the first episode, the anime is jam-packed with thrilling fights, horrific deaths, incredible characters, and powerful plots that keep fans wanting more.

RELATED: Attack On Titan: Every Main Character's Age, Height, And Birthday

The mysteries surrounding the fantasy world are so complex and enticing, and the action scenes are better than most in shonen anime. It's nearly impossible to rank the top episodes, since there are so many immaculate scenes and intense moments that impact viewers across the globe. These top 10 episodes are only a handful of all the fantastic ones that Attack on Titan has delivered to its fans over the years.

10 To You, in 2000 Years: The Fall of Shiganshina, Part 1 (S1, Episode 1)

There's no better way to get into an anime than by watching the very first episode. It introduces the sweet, young tritagonists and the ominous world they live in. Additionally, it sets the viewers up with so many questions that they have to keep watching to find out more.

Events follow each other in quick succession, and many deaths occur before the first episode even ends. It's memorable, iconic, and a truly wild first episode to an anime, sure to hook viewers fast.

9 Warrior (Season 2, Episode 6)

This episode changed everything in the story. Among other beats, it reveals that Reiner and Bertoldt are the Armored and Colossal Titans who broke into the walls and caused the deaths of thousands, including Eren's mom.

This reveal is both out-of-the-blue and surprisingly casual, which is what makes it amazing. Reiner so nonchalantly explains to Eren the truth of his identity. He doesn't take this news lightly, and the episode ends with Eren and the other two shifters getting revved up for a massive battle. The humorous manner in which Reiner revealed the truth has since been made into a popular meme online.

8 Wall: Assault on Stohess, Part 3 (S1, Episode 25)

After the Female Titan's identity comes to light, Eren transforms into his Titan form and is ready to take her down. The fight is out of control, action-packed, and deadly.

RELATED: Attack on Titan: The Most Powerful Titans In The Series, Ranked

When Eren finally gets the upper hand against his opponent, fans get to watch the satisfying moment of the Female Titan being defeated once and for all. After she killed off so many characters in her rampage, it's a nice win for the Scouts.

7 That Day (S3, Episode 20)

After three entire seasons of the wild mystery surrounding the Titans, the walls, and the shifters, all is revealed. Through the memories of Grisha Jaeger, fans finally get some answers in this mind-blowing episode.

It shows Grisha's life outside of the walls in high detail. The secrets of the Titans finally becomes clear to both the main characters and to the viewers. It's a reveal fans had anticipated for a long time, but it's not predictable at all. The episode met with fantastic reception from fans.

6 Scream (S2, Episode 12)

The final episode of Season 2 leaves fans truly fearing the worst. With no resources left to protect them and their enemies getting away, Eren and the Scouts are left in a terrible position, surrounded by Titans.

The major plot twist revealing Eren's Attack Titan abilities is so memorable in this episode. Viewers watched as his passionate scream held the power to control the Titans around him, and the episode had people biting their nails in anxiety.

5 First Battle: The Struggle for Trost, Part 1 (S1, Episode 5)

This episode was a true rollercoaster. It made viewers swing from "Okay, I think I know where this is going" to "Wait, no I don't" in a span of a minute.

RELATED: Attack On Titan: Biggest Ways Eren Has Changed Since Season 1

Seeing the main character get eaten by a Titan and die in the 5th episode is not what most people expect from any show. To this day, it remains a huge plot twist that always surprises new audiences. The episode also highlights the true horror of the monstrous Titans, and how young and scared the protagonists really are.

4 Midnight Sun (S3, Episode 18)

If viewers weren't already crying over Armin's death in the previous episode, this epic episode will definitely have them sobbing. The characters find Armin alive, but before Levi can administer the Titan serum to save his life, they realize Ermin is on the brink of death as well.

Seeing the pure desperation and grief in Mikasa, Eren, and Levi's eyes is too much to handle. It's an emotional whirlwind that concludes with Eren getting an up-close encounter with the foreign Titan shifters.

3 Assault (S4, Episode 7)

The massive battle between the Warriors and the Scout Regiment is one that fans highly anticipated since the first episode. Fans got to watch Levi once again take down the Beast Titan, Mikasa sever some Titan limbs, and Titan Eren use the Jaw Titan to crack open the War Hammer Titan's crystal like a nutcracker.

The episode ends with Reiner joining the fight against Eren to help out his fellow Marleyans. This episode had everyone on the edge of their seats!

2 Pain (S3, Episode 2)

If there's one fight to rule them all in this series, it's the rooftop fight between Levi and Kenny. The two Ackermans face off in a deadly battle throughout the town. Beautifully animated and constantly intense, it is one of the most memorable scenes in the entire series.

RELATED: Attack On Titan: The Strongest Scouts, Ranked

After taking out a group of Kenny's soldiers, Levi targets his old mentor to stop him before he can hurt anyone else in the Scouts. For fans who haven't watched this scene lately, it's time to revisit it and feel that rush again.

1 Hero (S3, Episode 17)

Fans went through nearly two seasons riddled with confusion over the identity of the Beast Titan, wanting him to be taken down after all the damage he caused across Paradis. In this episode, fans get the ultimate satisfaction of seeing Levi take down the Beast in a series of radical attacks.

The fight between Levi and the Beast Titan is the peak in the high-intensity episode, accompanied by the deaths of nearly everyone in the Scout Regiment. This includes the main tritagonist Armin, who makes the heroic decision to sacrifice himself to defeat the Colossal Titan alongside Eren.

NEXT: Minecraft Meets Attack On Titan: Custom Maps That Are Incredible