9. What Have They Done to the Rain?
First aired: 11/3/1976
Rudi discovers that the local rainwater is poisonous and that rainfall is eroding the Medusan surface. The President is unconvinced by his claims.
Writer: Ian Stuart Black
Director: Freddie Francis
Guest star: Anna Carteret (Announcer), Kirstie Pooley (Guard), Ann Maj-Britt (Octavia\'s Assistant), Annette Lynton (Clara\'s Assistant)