When does Dragons: The Nine Realms return?

The series is set in the modern world, 1,300 years after the events of How to Train Your Dragon: The Hidden World (2019) It follows a group of teenagers, brought by their parents to a huge fissure caused by a comet, who uncover a world of dragons beneath their feet. The voice cast consists of Jeremy Shada, Ashley Liao, Marcus Scribner, Aimee Garcia, Julia Stiles, Lauren Tom, Keston John, Angelique Cabral, Justina Machado, Pavar Snipe, Carrie Keranen, and Haley Joel Osment.
The series is set in the modern world, 1,300 years after the events of How to Train Your Dragon: The Hidden World. It follows a group of kids, brought by their parents to a huge fissure caused by a comet, who uncover a world of dragons beneath their feet. Tom, Thunder and the other riders find themselves entrusted with protecting the secret of dragons from those who would wish to exploit them.