translate English to French: This planet is reused countless times in the second and third seasons, usually for Earth -like planets (like Capella IV , Ekos or 892-IV ). Also, two color-enhanced versions of this planet appear in TOS : a reddish one (also in the second/third season opening credits and as planet Vulcan ) and a purple one ( Halkan planet, Omega IV , etc.
William Shatner a "joué" le corps de son frère mort.