DOCTOR WHO:
The Dream Nexus

From Big Finish Productions, available as part of The Sixth Doctor Adventures: Water Worlds

In the distant future, Earth’s empire is held together by the Network, an AI interface that connects all its citizens. But the Network has collapsed, trapping millions in a dream with no way out. Could there be an answer in the fungus forests of Zoda-Kappa? While the Doctor and Hebe use their scientific training to help the research, Mel joins the research too – in a far less pleasant way…