No. In the anime and manga:
Some fans refer to the Season 4 Part 2 premiere as "Episode 5" (relative to the part). This episode shows the beginning of the Rumbling, but the actual reveal of Eren's massive titan skeleton happens immediately after in Episode 80 . in which episode eren become colossal titan
While Eren is primarily the and the Founding Titan , he takes on a massive, 60-meter-tall humanoid form to engage in a final duel after the "Founding Titan" skeleton body is destroyed. While Eren is primarily the and the Founding
The transformation takes place during the final battle on the fort. The Alliance successfully separates Eren's severed head from the giant, ribcage-like body of his Founding Titan form (The End Titan) . Armin transforms into his 60-meter Colossal Titan to trigger a massive explosion, seemingly destroying the remaining skeletal structure. Armin transforms into his 60-meter Colossal Titan to
Eren Yeager transforms into a Colossal-sized Titan in the final episode of the anime, " The Final Chapters: Special 2 " (which corresponds to Season 4, Episode 30 in some episodic counts). Report: Eren’s Colossal Transformation While Eren never officially inherits the "Colossus Titan" power—which belongs to Armin Arlert—he manifests a similar form during the series' ultimate battle. YouTube +1 Circumstances: After his massive skeletal "Founding Titan" form is destroyed by Armin's transformation, Eren emerges as a 60-meter-tall Titan that resembles a more muscular version of the Colossus Titan, complete with his iconic long hair. The Power Source: Fans and the series' internal logic suggest this was possible through his remaining connection to the
Titled "That Day" (or "The Basement" depending on the release), this episode contains the critical scene in the Shiganshina District battle. After Armin Arlert incapacitates Bertholdt, Eren severs Bertholdt’s nape. The spinal fluid and the power of the Colossal Titan are transferred to Eren via the Paths. At this moment, Eren becomes the holder of the Colossal Titan’s power. However, he does not physically transform into the Colossal Titan in this episode.
The Acquisition of the Colossal Titan’s Power: Eren Yeager’s Transformation in Attack on Titan