Related Clues:

• Little green men
• 24-Across and others
• 1986 sci-fi hit
• U.F.O. crew
• Frequent 24-Down subject
• Martians and such
• The Coneheads, e.g.
• UFO crew
• Silver prizes
• Klingons, e.g.
• Roswell visitors?
• Mugs
• Kitchen measures
• Tabloid subjects
• They upset xenophobes