"The Tenth Planet" revealed the Cybermen originated from Earth's twin planet, Mondas, but "Tomb of the Cybermen" claimed the ...

When the TARDIS arrives, its crew believes they can help. But this planet is Mondas. And this is the Genesis of the Cybermen… These will be the original Mondasian Cybermen from the first story ...

The Cybermen have hatched a plan to divert Haley’s Comet into Earth, causing its destruction. This would mean that in 1986, when Mondas arrives in the Solar System, it will not be destroyed by ...