Thanks A.J. (Charles Shaughnessy official website's webmaster / for the heads up:

"Charlie's episode of Stargate SG-1 is confirmed to air in the US on Friday,
August 20th. Charlie recently did an interview with Steve Eramo for TV Zone
magazine's upcoming Stargate Special issue. TV Zone is a full-color monthly
magazine published by Visual Imagination and available on newsstands and
specialty shops worldwide. It is also available by subscription. This
special Stargate issue of the magazine should be out mid-July. You can check
out TV Zone at"

(posted with permission)