Philip Pullman’s beloved series of fantasy novels is finally coming to TV.

On Friday, HBO dropped a new teaser trailer for their co-production of “His Dark Materials”.

RELATED: First Look At Star-Studded BBC Adaptation Of ‘His Dark Materials’

The teaser introduces fans to the series’ main characters Dafne Keen’s Lyra, James McAvoy’s Lord Asriel, Ruth Wilson’s Mrs. Coulter and Lin-Manuel Miranda’s Lee Scoresby.

“Now is the time to choose a side,” Mrs. Coulter tells young Lyra, whose friend is kidnapped, sending her on an adventure to far off lands to battle evil enemies.

Season 1 of “His Dark Materials” will feature 8 episodes, with a second season already in the works.

RELATED: HBO Teases Footage Of ‘Game Of Thrones’, ‘Deadwood’ And More In Expansive New Trailer

The first novel in the series was previously adapted for the 2007 film “The Golden Compass”, featuring Nicole Kidman.

“His Dark Materials” will premiere later this year.