Nothing appears in the content.
jQuery(function($) {
$.getJSON('http://countdown.tfl.gov.uk/stopBoard/55191')
    .success(function(response) {
        var $content = $('#content')
            .html(response.arrivals[0].destination);
        });
});
DIV Section:
 <div id="content"></div>
Fiddle: http://jsfiddle.net/zax2n/1/
 
    