Answer: robot

AnswerCrossword Clue
ROBOT

R2D2 for one

ROBOT

Unfavorable comparison for Al Gore

ROBOT

Android

ROBOT
Modern factory worker
ROBOT
Asimov topic, often
ROBOTMan of steel?
ROBOTAsimovian subject
ROBOTAutomaton
ROBOTSoulless character
ROBOTIron man?
ROBOTSmart vac, e.g.
ROBOTTelemarketer, often
ROBOTDehumanized sort
ROBOTAsh, in "Alien"
ROBOTFactory sight
ROBOTMichael Jackson dance, with "the"
ROBOTMetal worker?
ROBOTVolcano explorer, perhaps
ROBOTHigh-tech gofer
ROBOTRobby of "Forbidden Planet" was one
ROBOT"I, .."
ROBOTKind of airport train
ROBOTRobbie, notably
ROBOTSci-fi antagonist, perhaps
ROBOTSci-fi staple
ROBOTMechanical worker
ROBOTMany an Asimov character
ROBOTAssembly line worker
ROBOTIsaac Asimov character, often
ROBOTAssembly line worker, perhaps
ROBOTSci-fi maid, maybe
ROBOT"Lost In Space" character
ROBOTBomb squad machine
ROBOTFactory worker, maybe
ROBOTMars explorer, e.g.
ROBOTKarel Capek creation
ROBOTSci-fi valet, maybe
ROBOTOne who acts without thinking
ROBOTGort of "The Day the Earth Stood Still"
ROBOTUncomplaining servant