Īndorians first appeared in the 1968 Star Trek: The Original Series episode ' Journey to Babel', and have been seen or mentioned in episodes of subsequent series in the Star Trek franchise. Distinctive traits of Andorians include their blue skin, a pair of cranial antennae, and white hair. Within the Star Trek narrative, they are native to the blue icy Class M moon, Andoria (also called Andor ). United Federation of Planets, Andorian EmpireĪndorians are a fictional race of humanoid extraterrestrials in the American science fiction franchise Star Trek. Commander Shran and crew from the 2004 Star Trek: Enterprise episode ' Proving Ground'.