What globally popular anime series depicts humanity's struggle for survival against gigantic humanoid creatures known as Titans, featuring Eren Yeager and the Survey Corps fighting to reclaim their world?

The series described, where humanity battles colossal humanoid creatures known as Titans, with Eren Yeager and the Survey Corps leading the charge to reclaim their world, is indeed Attack on Titan (Review). This dark fantasy anime has captivated audiences worldwide with its gripping narrative and intense action.

Attack on Titan plunges viewers into a world where the remnants of humanity live within massive walled cities, protected from the terrifying Titans that roam the land outside. The Survey Corps, an elite military unit, takes on the perilous task of venturing beyond the walls to fight the Titans and gather intelligence, hoping to uncover the mysteries surrounding their monstrous foes. The story masterfully blends elements of horror, mystery, and political intrigue, keeping viewers on the edge of their seats as the characters face unimaginable challenges and make difficult choices for survival.

Originally a highly successful manga series written and illustrated by Hajime Isayama, Attack on Titan gained immense global popularity through its anime adaptation. Its intricate plot, complex characters, and shocking plot twists have earned it critical acclaim and a dedicated fanbase. The series explores profound themes such as freedom, sacrifice, and the nature of good and evil, making it a compelling and thought-provoking watch beyond its thrilling action sequences.