from TheTVDB: The Monarch gets word that Dr. Venture and Brock are at a science conference, and decides to launch an attack on the Venture compound.

2008 episode

contained in

Season 3 (2008) - Dig deeper into the world of Venture with Season 3, a rich tapestry of past and present, cause and effect, unitards and bodystockings. Witness the genesis of villainous personae, the clash of sporadically opposing forces, and the birth of debilitating neuroses in this, the sturmiest, most drangful season yet.