The highly-anticipated teaser for the HBO Max series, Harry Potter, is officially here. And not just that. The official name for the first season has been kept Harry Potter and the Philosopher's Stone. The teaser introduces the three main characters, Dominic McLaughlin as Harry Potter, Alastair Stout as Ronald Weasley and Arabella Stanton as Hermione Granger. Moreover, book lovers would appreciate the subtle bits that the series promises to show and how.