"I'm not sure," he said. "Something happens with S.P.H.I.N.X. Something happens. You like that? And I'm not holding back. That's all I know. I know something happens. I'm not sure what it is."And if that wasn't enough for you the interview also delves into who in Warburton's family is the Venture Bros. expert (hint: it's not him) and who on his other show, Rules of Engagement, knows a very dedicated Venture Bros. fan.