| Jason Ritter sci-fi series that lasted for one season, with "The |
| Canyon phenomenon |
| Coastal phenomenon |
| Sci-fi creature whose language is based on the Chinese dialect Kalmyk |
| Sci-fi character named for a Philippines sea |
| Alcoholic beverages on some sci-fi shows? |
| Pre-migraine headache phenomenon |
| Sci-fi radar blip |
| Agricultural phenomenon sometimes linked to UFOs |
| Autumn lunar phenomenon |
| A sci-fi writer's award |
| Blobby sci-fi villain |
| Alpine phenomenon |
| Inhabitants of a sci-fi film planet |
| Sci-fi psychic |
| Sci-fi race with a gray-colored heart |
| Sci-fi stranger |
| Classic sci-fi film billed as "a horror horde of crawl-and-crush giants |
| Phenomenon observed in receding galaxies ... and in the answers to this puzzle's asterisked clues? |
| Sci-fi film with an android named Ash |
| Pop culture phenomenon |
| 1997 sci-fi spoof, for short |
| Alien dossier, on a sci-fi series |
| Stock market phenomenon |
| Eerie phenomenon |
| Depression phenomenon |
| First light ... or a phenomenon suggested by this puzzle's seven sets of circled letters? |
| Alien invaders' intent in many sci-fi films? |
| Acoustic phenomenon |
| Alien's nemesis, in sci-fi films |