21st century Martian invasion of Earth
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"21st century Martian invasion of Earth" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
An invasion of Earth was attempted by the Ice Warriors in the 21st century. (TV: The Seeds of Death)
During his trial, the Second Doctor recalled via a Thought Channel the Ice Warriors' invasion of Earth as one of the "evils" he had broken the Time Lord code of non-interference to fight. (TV: The War Games)
The Keller Machine used the Third Doctor's memory of Slaar to attack him. (TV: The Mind of Evil)
