To answer the question directly: If one defines "becoming the Colossal Titan" as , the episode is Attack on Titan Season 3, Episode 20 ("That Day"). If one defines it as the first physical transformation into the 60-meter form, the episode is Season 4, Episode 28 ("The Dawn of Humanity"). The latter is the more accurate answer to the common phrasing “in which episode does Eren become the Colossal Titan,” as it is the first time viewers see him use that specific form.
The Acquisition of the Colossal Titan’s Power: Eren Yeager’s Transformation in Attack on Titan in which episode eren become colossal titan
[Generated AI] Course: Anime & Manga Analysis Date: [Current Date] To answer the question directly: If one defines