Improv AZ's fourth annual pantless prank surprises light rail riders
About 250 people participated in the local version of the No Pants Subway Ride. A month later, more than 200 people would run in AZ Cacophony Society's Idiotarod.
About 250 people participated in the local version of the No Pants Subway Ride. A month later, more than 200 people would run in AZ Cacophony Society's Idiotarod.

