article_snippet: Tarly from HBO's American site .
article_snippet: It comes after the fifth series of the HBO show premiered in London on Wednesday.
article_snippet: The American fantasy drama - also shown on Sky in Britain - has attracted record viewers for the channel and created a lucrative opportunity for merchandise.
article_snippet: A HBO spokesman said: 'The majority of our licensees are outside Europe which creates additional layers of distribution and importation costs.'
article_snippet: The American fantasy drama - also shown on Sky in Britain - has attracted record viewers for HBO and created a lucrative opportunity for merchandise.
article_snippet: Jon Snow is pictured above in series three .