Things don't always go according to plan, not even at the BBC. There have been a few amusing and surprising interruptions to BBC broadcasts over the years. The BBC centenary celebrations, which mark 100 years since the network's debut on the airwaves, are in full swing this week. It has, nevertheless, also experienced some amusing times. While some were extremely well thought out and executed, others were what you would refer to as blunder mistakes. On set, there were numerous instances that sparked debate. Here are some of the finest videos, which range from technical gaffes to embarrassing situations.