As of now, there are no official statements from the writer of Back to the Future, Robert Zemeckis, or co-writer Bob Gale, ruling out prequels or sequels outright. However, both Zemeckis and Gale have consistently emphasized that the original Back to the Future trilogy—comprising the films released in 1985, 1990, and 1995—was intended as a complete narrative arc. In interviews, particularly in recent years, Bob Gale has expressed that while he remains open to the idea of revisiting the universe in a new form (such as a series or limited event), he does not believe in making direct prequels or sequels to the original trilogy. He has stated, "We didn’t leave any plot holes. We told the story we wanted to tell." This sentiment reflects a desire to honor the original trilogy’s closure. Similarly, Robert Zemeckis has shown little interest in returning to the franchise, focusing instead on new projects like Welcome to Marwen and The Witches (2020). While there have been rumors and fan speculation about a reboot or new film (especially with the 2023 announcement of a Back to the Future musical), no official prequel or sequel has been greenlit. So, while there’s no formal "rule out" published as a law, the creators' consistent messaging and creative choices suggest that no official prequels or sequels to the original trilogy are currently in development, and the writers themselves have, in effect, ruled them out by prioritizing the original story’s completion. In short: 🚫 No prequels or sequels from the original writers. ✅ The trilogy is considered complete. 🔔 Any new installments would likely be a reboot or spin-off, not a direct follow-up. Stay tuned—fan excitement is real, but the heart of the story remains in the past.