The Doctor's struggle to protect both Sarah Jane Smith and the planet while navigating the conflicting agendas of military personnel and the ethical dilemmas posed by the alien mineral deposits

The Doctor and Sarah flee from the energy creature but soon realize their ordeal is not over. As military personnel conduct a search, they stumble upon the desiccated remains of …

As the space probe crew prepares for launch, critical systems collapse under the strain of tampering with Zeta Minor’s mineral samples. Pressure loss and cyclostimulator failure cripple the ship’s defenses, …

The command crew scrambles to launch their probe as critical systems fail but inadvertently draw the attention of the alien energy creature lurking outside. The Doctor and Sarah arrive to …