 It was written by Pip and Jane Baker.Captain Nemo's submarine Nautilus rescues drowning passengers and takes them to an underwater city, Templemer (pronounced Temple-Meer) where they are told they will remain forever.The survivors include brothers Barnaby (Bill Fraser) and Swallow Bath (Kenneth Connor), Lomax (Allan Cuthbertson), Helena Beckett (Nanette Newman) and her son, and Senator Robert Fraser (Chuck Connors).