Stranger Things 5 Finale: Fans Accuse Duffer Brothers of Using ChatGPT, Sparking New Backlash

• A Netflix documentary, 'Stranger Things: One Last Adventure — The Making of Stranger Things 5', has sparked renewed fan criticism.
• Fans speculate Duffer Brothers used ChatGPT for script development after a browser tab resembling the AI platform was seen in the documentary.
• The documentary also revealed unfinished scripts at the start of filming and creative disagreements in the writers' room.
• Viewers interpret these revelations as confirmation of chaotic creative process and weaknesses in the final season's execution.
• The controversy amplifies existing fan disappointment over the Season 5 finale, which concluded in late 2025.

Why It Matters: Netflix's 'Stranger Things' documentary reignites fan fury, with AI use and chaotic production claims surfacing.