Meeting up at the pool, the Doctor leads the surviving Rezzies, Kangs and Caretakers as they draw the line together on the 245th floor against the systematic cleansing of all life by Kroagnon and his robotic Cleaners.
Quest roles:
Clive Merrison(Deputy Chief), Richard Briers(Chief Caretaker), Judy Cornwell(Maddy), Catherine Cusack(Blue Kang Leader)