Skeptics Society

The Skeptics Society is a nonprofit, member-supported organization devoted to promoting scientific skepticism and resisting the spread of pseudoscience, superstition, and irrational beliefs. The Skeptics Society was founded by Michael Shermer as a Los Angeles-area skeptical group to replace the defunct Southern California Skeptics. Wikipedia*

On the C-SPAN Networks:
Skeptics Society has hosted 2 events in the C-SPAN Video Library; the first program was a 1999 Forum. The year with the most events was 2002 with one event. Most appearances with Michael Shermer (2).