Twenty two million people use The Pirate Bay, a website that helps you download software, music and films for free.
But last week a Swedish court ordered four men behind the site to pay companies including Warner Brothers, EMI and Sony damages totalling $3.6m, and gave them one-year prison sentences, for violation of copyright.
Now the men's lawyers are demanding a re-trial - after the judge admitted he was a member of two Swedish copyright organisations.
The BBC's Mike Johnson spoke to one of The Pirate Bay's founders, Peter Sunde from Stockholm, and asked him why he and his fellow defendants want the case re-opened.
One-Minute World News 
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