The same location was used for Telos when filming took place almost twenty years later for Attack of the Cybermen. Missing from the BBC archives for many years, all four episodes of The Tomb of ...

Earthshock was first released on DVD in 2003. It was later reissued in 2006 as part of a Cyberman-themed box set alongside 1967's The Tomb of the Cybermen and 1968's The Invasion.