<p><br /> The world has got its first glimpse of the long-awaited Glee episode featuring Britney Spears.<br /> </p><p><br /> A trailer for the news season of Glee, courtesy of 20th Century Fox Television Limited, is circulating on the web advertising the special.<br /> </p><p><br /> Producers have paid tribute to the Slave For You star with a full episode in which the cast perform classic Britney numbers.<br /> </p><p><br /> Ms. Spears herself will appear on the show, though it's rumoured she won't join the cast on the McKinley High campus, but instead appear in dream sequences.<br /> </p><p><br /> Glee's creator Ryan Murphy has praised the 28-year-old's "sweet and humble" attitude, saying she was a pleasure to have on set.<br /> </p><p><br /> The second series of Glee airs in the UK in January 2011.<br /> </p>
