Last seen in:
Related Clues:
- Visitors from space
- 'Galaxy Quest' characters, in brief
- Visitors from afar, for short
- 'The X-Files' figures
- Sigourney Weaver sequel
- Green-card holders
- Little green men: Abbr.
- SAT org.
- 'V' extras
- Some 'Space Patrol' characters, for short
- Org. that produces college entrance exams
- Fliers of U.F.O.'s
- Co. that oversees the 21-Across
- Frequent Weekly World News subjects, briefly
- 47 Across pilots