>> one of the comedy crew's most popular stunts is their annual no pants subway ride. >> it started back in 2002. it's the middle of winter. you've got guys in winter coats, winter hats, scarfs, gloves, but, of course, no pants. >> and it's grown exponentially every year. >> it's even gone international with participants posting videos for the whole world to see. >> so almost everywhere where there's a subway system on a certain sunday in january, you will find people riding the train in their underwear. >> in 2010 the pranksters want to take their no pants tradition one step further. >> every year we do an april fool's day prank to sort of celebrate our fans. >> i got the idea to do a no underwear subway ride. make it seem like we had taken our no pants subway ride to the next level. >> we had a good group of volunteers that were willing and accepting of the idea of