You can watch the "How to Train Your Dragon" trilogy on various streaming platforms. As of my last update, the films are often available on services like Hulu, Amazon Prime Video, and Peacock. They may also be available for rent or purchase on platforms like Google Play, iTunes, and Vudu. Availability can vary by region and over time, so it's best to check the specific platforms in your area for the most accurate options.

There is already a sequel titled "How to Train Your Dragon 2," which was released in 2014. It continues the story of Hiccup and Toothless as they face new challenges and explore the world of dragons. The film was well-received and is part of a trilogy, followed by "How to Train Your Dragon: The Hidden World" released in 2019. If you are inquiring about a new sequel beyond the trilogy, there have been no official announcements as of my last update in October 2023.

You can watch "How to Train Your Dragon 2" on various streaming platforms, such as Amazon Prime Video, Hulu, and Netflix, depending on your region. It may also be available for rent or purchase on platforms like Google Play, Apple iTunes, Vudu, and YouTube Movies. Check your local listings or streaming service availability for the most accurate options.

As of my last update in October 2023, "How to Train Your Dragon 2" is not available on Netflix. The film is typically available through other platforms such as Hulu, Peacock, or for rent/purchase on services like Amazon Prime Video, Google Play, and iTunes. Availability can change, so it's a good idea to check your local streaming services or rental platforms for the most current options.