SolarmovieOne

presented by NCM Fathom and BY Experience will feature nearly 4 hours of live performances and behind-the-scenes from the Sonisphere Festival in Sofia, Bulgaria. Says Lars Ulrich/Metallica of this historic tour announcement: "Who would have thought that more than 25 years after its inception, thrash metal's big 4 would not only still be around and more popular than ever, but will now play together for the first time...!"

How to Watch The Big Four: Metallica, Slayer, Megadeth, Anthrax Legally and Safely

If you want to stream The Big Four: Metallica, Slayer, Megadeth, Anthrax through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry The Big Four: Metallica, Slayer, Megadeth, Anthrax films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.