Read more: No Pants 2011

In early 2010, nearly 100 members of the Boston Society of Spontaneity converged at the high end shops at Prudential to display their silliest walks. This cell phone clip (one of only a few clips we have, unfortunately) highlights a tiny fraction of the walks that dismayed, confused, and entertained bewildered shoppers and employees.

For nine years now Improv Everywhere has hosted a sans-pants flashmob on the NYC subway system. Since then it has grown into a worldwide phenomenon, with over 40 cities hosting their own pantless use of public transportation. This year was Boston's 3rd.

The first question many people ask is... "Why?"

Read more: No Pants on the T 2010