Comedy Gala
... that Channel 4 billed its Comedy Gala, held at the O2 Arena in aid of Great Ormond Street Hospital, as "the biggest live stand up show in UK history"?
... that <a href="./Channel_4" id="mwD3A" rel="mw:WikiLink" title="Channel 4">Channel 4</a> billed its <i id="mwD3E"><b id="mwD3I"><a href="./Channel_4's_Comedy_Gala" id="mwD3M" rel="mw:WikiLink" title="Channel 4's Comedy Gala">Comedy Gala</a></b></i>, held at the <a class="mw-redirect" href="./The_O2_Arena_(London)" id="mwD3Q" rel="mw:WikiLink" title="The O2 Arena (London)">O2 Arena</a> in aid of <a href="./Great_Ormond_Street_Hospital" id="mwD3U" rel="mw:WikiLink" title="Great Ormond Street Hospital">Great Ormond Street Hospital</a>, as "the biggest live stand up show in UK history"?