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Declan Donnelly hosts the first live semi-final of this year's contest, with the audition process having left judges Amanda Holden, David Walliams, Simon Cowell and Alesha Dixon with 40 acts to pick from. Tonight, eight of them will be performing live in the hope of impressing both the panel and the TV audience to win one of the two spots in the live grand final, where the winning act will receive a life-changing GBP250,000 prize and a spot at this year's Royal Variety Performance in November.

How to Watch Britain's Got Talent Season 12 Episode 8 Legally and Safely

If you want to stream Britain's Got Talent Season 12 Episode 8 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 Britain's Got Talent Season 12 Episode 8 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.