You can watch the reimagined "Battlestar Galactica" (2004-2009) by purchasing episodes or seasons on platforms like Amazon Video, Apple TV, and Fandango At Home, with prices starting around $2.99 per episode

. It is also available for streaming on Prime Video, although availability may vary by region

. In the UK, the series streams on ITVX and can also be bought on Amazon Video, Sky Store, Microsoft Store, and Apple TV

. The show is no longer freely streaming in the US on major platforms like Hulu or Peacock, which previously hosted it

. For the best quality and access to all extended episodes and specials, many fans recommend purchasing the Blu-ray box set

. Summary:

• Buy or rent on Amazon Video, Apple TV, Fandango At Home (US)
• Stream on Prime Video (region-dependent)
• Stream on ITVX (UK)
• Blu-ray box set recommended for full content and best quality

This covers the main legal options to watch "Battlestar Galactica" currently.