This story was notable for introducing Dalekenium, the metal that formed the outer casing of Daleks. The metal remains a fixture of the Dalek mythos, having been namechecked in the scripts of recent Dalek adventures like Evolution of the Daleks and Victory of the Daleks.
This story was notable for introducing Dalekenium, the metal that formed the outer casing of Daleks. The metal remains a fixture of the Dalek mythos, having been namechecked in the scripts of recent Dalek adventures like Evolution of the Daleks and Victory of the Daleks.