There are about 8,001 various comedy festivals throughout the country. For a detailed and ever growing list, visit the upcoming festivals page on the IRC Wiki.
Here are a number of notable festivals that Philadelphia groups regularly play, or that we can personally recommend should make your hit list:
Philadelphia Improv Festival
Nov. 1-7, 2010
Nov. 8-14, 2010
Sep. 30 - Oct. 3, 2010
(Philly Improv Theater)
Philadelphia is currently home to three comedy festivals: