- - Fauxlympics event for Klingons?
- - Wookiees or Ewoks
- - Klingons or Romulans
- - Vulcans, for one
- - Klingons, Wookiees, or Martians
- - Time Lords, e.g
- - Romulans or Klingons
- - Klingons or Na'vi
- - Andorians or Tholians, on "Star Trek"
- - Klingons or Vulcans, e.g.
- - Klingons, for one
- - Klingons or Martians
- - Klingons, e.g
- - Vulcans, e.g.
- - Xenomorphs, e.g
- - Long-distance callers?
- - Side opposite 41-Across in a sci-fi clash
- - The Na'vi in "Avatar," for one
- - * Non-earthlings
- - ... for a xenophobic couch potato?
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- [ Other definitions ]