Why is it always the way that those most eager to get naked on live television are the ones you'd really never like to see in the buff?
But as long as you're a reasonable distance away from them, streakers generally provide some light relief in what are either incredibly tense, or incredibly boring sports matches.
We just feel sorry for the poor security guards who have to get up close and personal.
For this week's Friday Funny, we've put together a selection of some our favourite streaking triumphs and fails.
What winning margin and team are you tipping for the Super Rugby final?