Episode Title:
What Goes Down Must Come Up.
Episode Description:
Dr. Venture and Brock stumble upon a labyrinthine sublevel of the Venture Compound where they encounter shrunken original Team Venture member Dr. Entmann and a group of subterranean dwellers, all of whom have been trapped in the facility for thirty years. Hank, Dean, Pete White, and the Order of the Triad attempt to locate and assist them, while the facility's master computer threatens to launch a nuclear missile if it does not speak to Jonas Venture Sr.