(STAHLMAN hesitates.) It could prove you wrong. That...Doctor! The BRIGADIER is about to go to SLOCUM but the DOCTOR stops him.) This will advance the time of penetration of the Earth's crust by nearly five hours...
PETRA WILLIAMS: (Interrupting.)
Plan: A: The Doctor; Q: Who begins to suspect that penetrating the earth's crust will create more Primords? A: Stahlman; Q: Who sabotages the computer? Summary: The Doctor begins to suspect that penetrating the earth's crust will create more Primords but Stahlman sabotages the computer to stop him proving it.