It's nothing new to see a fan get loose and run onto a playing field or court, but the fad had yet to reach hockey rinks.
One Toronto Maple Leafs fan decided to make his presence felt during Wednesday night's game at the Air Canada Centre:
That's not something that you see every day.
Sometimes, spectators even dart onto the field in the midst of game action, which could have made this video even better. Hockey players likely wouldn't take kindly to someone invading their space, though.