According to the search results, "The Twilight Saga" movies are available to stream on various platforms. Here are the options:

• Available for rent or purchase on Prime Video, Apple TV+, and more
• Streaming on DirecTV
• Streaming via the Roku app with Peacock
• Available to stream with a subscription to Paramount+
• Available to watch on Tubi - Free Movies & TV

Therefore, "The Twilight Saga" movies can be streamed on Prime Video, Apple TV+, DirecTV, Peacock, Paramount+, and Tubi - Free Movies & TV.