Embed Youtube

I have problems embedding Youtube oon only one page. The others work well on computer and mobiel phone
http://test.purewebsites.co.nz/lastparadise/tv/

Here you can see the embed link used (the same)
http://test.purewebsites.co.nz/lastparadise/hawaii-talk-story-interview/

But for some reason, it only shows up as code. Please help.

http://ww.wp.xz.cn/plugins/youtube/