from TheTVDB: Brock and Dr. Venture stumble into a hidden state-of-the-art fallout shelter beneath the Venture compound, while Hank and Dean call in Dr. Orpheus to summon the Order of the Triad and help them out.

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.