here's a clip from new york c y city. this thing is huge now. originally put on by improv everywhere. went down in 60 cities in 25 countries. people in boxers. people in scantily clad pansies and underwear you could say. here paris, france, people also sans pants. >> and alex and heather are from behind the scenes team and they are got down to the no pants light rail ride here in phoenix. >> do i want to see this? this is my co-workers their drawers. >> they are part of improv that have been involved in this thing. she's pushing the envelope there for sure. you see people wearing all kinds of different underwear, young people, old people, even this fella here. >> oh! >> who you might recognize. that's my butt, with an "rtm" sign that we had customized. there's heather's also customized underwear. >> she opted for showing some butt cheeks. >> you got to. alex, our camera guy, he took his pants off as well. ho look at how many people are involved, the people from improv az. we took a big group shot. i loved this guy because we were waiting at the