Professor Poopsnagle's Steam Zeppelin
Commando Raid (IV)
S1 • E16 Nov 7, 1987 30m
Once free, the Doctor and children fly to the island "which is joined by sand". This is part of the cryptogram, and they sight it from the air. When they land, they soon find the salamander and mineral with the help of a metal detector. Successful again, they head for home to decipher the next cryptogram.
