For true cinephiles, the 4K Ultra HD Blu-ray remains the "top" way to watch, offering the highest bitrate and no reliance on internet speeds. Conclusion

To experience the high-fidelity visuals and Hans Zimmer’s iconic score as intended, it is best to avoid third-party sites and use official streaming services. You can check the current availability of Interstellar on platforms like Paramount+ or Amazon Prime Video.