Look, we all get a bit bored when there's not much on TV over Christmas. But a word to the wise: don't be tempted to break up the monotony by rallying a couple of relatives to join you in a "trust fall" exercise.

These things should really only be conducted under the supervision of a professional facilitator at sixth-form drama workshops and dreadful corporate team-building away-days. Never try to re-create them in your living room. Watch the video above to see why.

Want to see more of life's failures? Our slideshow should keep you entertained for a good long while...

Loading Slideshow...