The film makers behind the Harry Potter movies have confirmed the next one will be released in 3D.
Warner Brothers who are making Harry Potter and the Deathly Hallows, say it'll be a "rich and involving" experience for the audience.
The studio will announced it will convert Cats and Dogs 2 and Guardians of Ga'Hoole into S3D too.
Harry Potter and the Deathly Hallows, which stars Daniel Radcliffe and Emma Watson, is due out on November 1 2010.
The 3D film Avatar is now the most successful international film ever and on Tuesday it was nominated for nine Oscars.