This actually all happened a few months ago, but it still merits posting. I personally like real world examples to show teachers and students as to why it is important to have good research skills.
The case in point envolves the BBC accidentally showing an image from the popular HALO video game series as the official logo for the United Nation Security Council in a news broadcast about the UNSC getting criticism for not being more involved in the ongoing situation in Syria. The news of the mistake was originally made public by Eurogamer, but was then further publicized by many other news sources. Take a look at the full article for more details.