Land under the sea -- Test run -- Operation depth -- Trouble on the Triton -- Head-on collision -- Men of the sea -- Distress signal -- Repair task -- Battle below -- Captured! -- The bubble city -- Atlantis! -- City of no return -- The dog-god -- The lost people -- Incomplete barrier -- Stranded in Atlantis -- The judgment of K'mith -- Emergency plans -- Mad dog! -- Operation contact.
