I've always been fascinated by American Idol because it's like watching one really long job interview unfold over several months.
The panel of judges are a lot like the series of peers and managers that many face in a corporate interview. In both cases, it's not enough to impress just one person; generally you need to achieve consensus or at least have more people on your side than against you to move on to the next round. Every season contestants make the same classic mistakes and they aren't far removed from the ones job seekers perennially make during interviews.
Here are a few of the more painful ones to watch.