The TV show "Snowfall" can currently be watched streaming on Hulu in the US. It is also available on Disney Plus in the UK, where it can be streamed for free on BBC iPlayer. Additionally, you can buy or download episodes on platforms like Apple TV, Amazon Video, Sky Store, and Fandango At Home. Here is a summary by region and platform:

• US: Streaming on Hulu
• UK: Streaming on Disney Plus and for free on BBC iPlayer
• Anywhere: Purchase/download on Apple TV, Amazon Video, Sky Store, Fandango At Home

Some unofficial streaming apps like Kodi and Stremio are also mentioned by users as options, but the main official platforms are Hulu and Disney Plus/BBC iPlayer depending on region.