India, March 26 -- It is time to return to Hogwarts. HBO unveiled the teaser of the upcoming series based on JK Rowling's immensely popular Harry Potter book series. The first season, based on Harry Potter and the Philosopher's Stone, introduces a new cast as they inhabit the magical wizarding world, along with a whole new look at the beginning of Harry's journey at Hogwarts.

The teaser begins with a young Harry (Dominic McLaughlin) staying with the Dursleys. A montage shows him being bullied by his cousin Dudley and belittled by Aunt Petunia, before the letter that changed his life arrives. Nick Frost enters the scene as Hogwarts gamekeeper Hagrid and whisks Harry away to the school of magic, where he meets not only his teachers and hea...