try the following
$.ajax({
url: 'http://query.yahooapis.com/v1/public/yql',
data: {
q: "select * from json where url ='http://www.youtube.com/oembed?url=http://www.youtube.com/watch?v=wbp-3BJWsU8&format=json'",
format: "json"
},
dataType: "jsonp",
success: function (data) {
alert(JSON.stringify(data));
},
error: function (result) {
alert("Sorry no data found.");
}
});