| Answer | Crossword Clue |
|---|---|
| MARS | "Invaders From ..." (1953 sci-fi) |
| MARS | "Invaders From ..." (1953 sci-fi movie) |
| ALIENS | Sci-fi invaders |
| ALIENS | Sci fi invaders |
| ETS | Sci-fi invaders |
| ETS | Sci-fi invaders, for short |
| ASSAULTOFTHEEARTH | Alien invaders' intent in many sci-fi films? |
