| 2026-07-18 | Quite a few characters in 2025's "Elio," for short |
| 2026-07-03 | Many sci-fi villains, informally |
| 2026-05-07 | Saucer contents, informally |
| 2026-05-05 | Arrivals in the 2016 thriller "Arrival," in brief |
| 2026-04-29 | Trisolarans in "The Three-Body Problem," e.g., informally |
| 2026-03-29 | 125-Across occupants |
| 2026-03-04 | Saucer crew, in brief |
| 2026-03-03 | Sci-fi space travelers |
| 2026-01-18 | They're often depicted with green skin, for short |
| 2026-01-15 | Subject of astrobiology, in brief |
| 2025-10-29 | Some unidentified visitors, for short |
| 2025-10-12 | "Project Hail Mary" creatures, in brief |
| 2025-08-24 | Visitors from afar, in brief |
| 2025-07-28 | Coneheads, e.g., for short |
| 2025-06-29 | "We come in peace" speakers, in brief |
| 2025-06-16 | U.F.O. crew |
| 2025-06-10 | U.F.O. crew |
| 2025-06-01 | Figures in some storied abductions, for short |
| 2025-04-03 | Xenomorphs in "Alien vs. Predator," e.g. |
| 2025-02-14 | 9-Down and his family |
| 2025-02-08 | Abbott and Costello in the film "Arrival," informally |
| 2025-02-03 | U.F.O. crew |
| 2025-01-17 | Saucer contents, in brief |
| 2024-12-27 | Ones who might invade your space, for short? |
| 2024-10-02 | Some foreigners who have yet to make contact, for short |
| 2024-09-15 | Org. that administers the G.R.E. |
| 2024-08-01 | Occupants of 53-Across |
| 2024-07-21 | Trisolarans in "The Three-Body Problem," e.g., for short |
| 2024-07-07 | U.F.O. crew |
| 2024-05-10 | Travelers from far away, for short |
| 2024-05-05 | The Monstars in "Space Jam," e.g., for short |
| 2024-02-05 | U.F.O. crew, supposedly |
| 2024-02-04 | Otherworldly creatures, for short |
| 2024-01-23 | Flying saucer crew, for short |
| 2023-12-03 | Otherworldly sorts, for short |
| 2023-07-05 | They're not from around here, in brief |
| 2023-06-24 | "Arrival" arrivals, for short |
| 2023-06-08 | Agent Mulder's obsession, in brief |
| 2023-05-29 | U.F.O. pilots |
| 2023-05-27 | Subjects of some conspiracy theories, in brief |
| 2023-05-15 | U.F.O. pilots |
| 2023-05-13 | Baddies on TNT's "Falling Skies," for short |
| 2023-03-13 | Ewoks or Klingons, in brief |
| 2023-02-20 | U.F.O. pilots, for short |
| 2023-01-26 | Fabled visitors to 49-Down, in brief |
| 2023-01-11 | Beings not (yet) proven to exist |
| 2023-01-01 | Visitors from afar, in brief |
| 2022-12-31 | 35-Across and others, in brief |
| 2022-12-22 | "We come in peace" speakers, in brief |
| 2022-12-07 | H.S. exam org. |
| 2022-11-18 | They left behind one of their own in a 1982 film |
| 2022-09-22 | Figures on "The X-Files," in brief |
| 2022-09-20 | U.F.O. pilots |
| 2022-09-19 | Aliens, in brief |
| 2022-09-05 | U.F.O. pilots, some believe |
| 2022-08-17 | "Star Wars" cantina patrons, for short |
| 2022-08-11 | Hypothetical entities, for short |
| 2022-06-28 | Travelers from afar, for short |
| 2022-06-23 | Mars rovers, in brief? |
| 2022-05-28 | Saucer contents, for short |
| 2022-03-21 | Flying saucer fliers, in brief |
| 2022-03-20 | Superman and others, for short |
| 2022-02-17 | Supposed creators of crop circles, for short |
| 2022-01-18 | Org. that creates the G.R.E. |
| 2021-12-21 | U.F.O. pilots |
| 2021-12-16 | French connections |
| 2021-12-04 | Big inits. in admissions |
| 2021-11-21 | Some dolls sold in a Universal Studios gift shop |
| 2021-10-22 | "Men in Black" antagonists |
| 2021-10-03 | Sci-fi travelers |
| 2021-08-08 | [See note] |
| 2021-06-18 | Org. that administers the G.R.E. |
| 2021-05-20 | Uranians, e.g. |
| 2021-03-22 | Those who are not among us (or are they?) |
| 2021-01-14 | Subjects of some conspiracy theories, for short |
| 2021-01-09 | Travelers from a faraway place, for short |
| 2020-11-29 | Klingons, e.g., for short |
| 2020-10-18 | 8-Down pilots, in brief |
| 2020-09-21 | Venusians and Martians, in brief |
| 2020-09-17 | Supposed crop circle makers, for short |
| 2020-09-04 | They might come in saucers, for short |
| 2020-08-09 | College entrance exam org. |
| 2020-07-26 | Long-distance travelers, informally |
| 2020-07-19 | Ones out of this world, for short |
| 2020-07-07 | Visitors from another planet, in brief |
| 2020-07-01 | Connections on Air France? |
| 2020-06-30 | Many "Men in Black" characters, informally |
| 2020-06-14 | Some toy dolls of the 1980s |
| 2020-04-09 | H.S. exam org. |
| 2020-03-29 | The invaders in Space Invaders, in brief |
| 2020-03-20 | They're kept at Area 51, supposedly |
| 2020-03-19 | Saucer users, in brief |
| 2020-01-19 | - |
| 2019-12-15 | G.R.E. administrator |
| 2019-11-14 | Down-to-earth types, in brief? |
| 2019-10-31 | Travelers from afar, for short |
| 2019-09-07 | A.P. exam inits. |
| 2019-05-22 | "The X-Files" extras, briefly |
| 2019-04-09 | Holy mlle. / Romulans, e.g., in brief |
| 2019-02-04 | Visitors from outer space, for short |
| 2019-01-30 | U.F.O. occupants |
| 2019-01-27 | Venusians, e.g., informally |
| 2019-01-26 | Letters for potential college students |
| 2019-01-25 | Life on Mars? |
| 2019-01-16 | The Na'vi in "Avatar," e.g. |
| 2018-11-23 | Sightings in 11-Across |
| 2018-11-06 | U.F.O. pilots |
| 2018-11-02 | Figures in some "Twilight Zone" episodes, for short |
| 2018-10-28 | Sci-fi C.G.I. creations |
| 2018-10-22 | "The War of the Worlds" villains, briefly |
| 2018-10-14 | Ewoks or Jawas, in brief |
| 2018-10-11 | Letters for college applicants |
| 2018-08-21 | U.F.O. crew |
| 2018-08-19 | Vulcans or Jawas, in brief |
| 2018-08-03 | Extras on TV's "Doctor Who" |
| 2018-07-15 | Uranians and Neptunians |
| 2018-06-27 | Mysteries in the '16 film "Arrival" |
| 2018-05-19 | & & &, in France |
| 2018-05-04 | Arrivals in "Arrival," for short |
| 2018-05-02 | "The X-Files" extras, for short |
| 2018-03-24 | And many times in France? |
| 2018-01-04 | Some characters on TV's "Futurama," briefly |
| 2017-12-31 | Targets in "Men in Black," informally |
| 2017-11-19 | French connections |
| 2017-09-20 | "Star Wars" extras, for short |
| 2017-08-24 | A.P. exam inits. |
| 2017-08-03 | Figures in the 2016 film "Arrival," for short |
| 2017-05-14 | Many "Star Trek" characters, for short |
| 2016-11-17 | French connections |
| 2016-10-16 | U.F.O. pilots |
| 2016-08-28 | Most "Doctor Who" characters, for short |
| 2016-06-26 | SAT org. |
| 2016-06-01 | Alf and Mork, for short |
| 2016-01-21 | French connections |
| 2016-01-20 | Sci-fi visitors |
| 2015-10-01 | French connections |
| 2015-09-13 | Many figures in the "Doctor Who" universe, for short |
| 2015-07-26 | Mork and Worf |
| 2015-07-14 | U.F.O. pilots |
| 2015-06-24 | Exam-administering org. |
| 2015-03-16 | U.F.O. crew, supposedly |
| 2014-10-31 | Predators in the "Predator" films, for short |
| 2014-10-05 | U.F.O. occupants |
| 2014-09-28 | "Guardians of the Galaxy" title characters, informally |
| 2014-09-10 | Riders in 10-Across |
| 2014-07-15 | Aliens, for short |
| 2014-05-03 | Coneheads, e.g., for short |
| 2013-12-09 | Martians, e.g., in brief |
| 2013-12-07 | So-far-undiscovered ones, briefly |
| 2013-11-04 | Many "Star Trek" extras, for short |
| 2013-10-30 | Certain Halloween costumes, for short |
| 2013-09-20 | "Captain Video" figures, for short |
| 2013-08-18 | Figures in Astounding Stories, for short |
| 2013-07-10 | They're found at Area 51, supposedly |
| 2013-06-02 | U.F.O. crew |
| 2013-01-14 | Aliens, for short |
| 2012-11-16 | Subjects of an as-yet-fruitless search, briefly |
| 2012-11-07 | Sci-fi figures |
| 2012-07-25 | "V" visitors, briefly |
| 2012-05-15 | Those aboard a U.F.O. |
| 2012-04-28 | 8-Down characters, briefly |
| 2012-03-15 | Score keeper, for short? |
| 2012-01-29 | "Barbarella" extras, for short |
| 2012-01-17 | Flying saucer fliers, for short |
| 2011-12-14 | U.F.O. crew |
| 2011-12-12 | Visitors from beyond |
| 2011-12-04 | Some "Men in Black" characters, for short |
| 2011-11-30 | SAT company |
| 2011-11-21 | SAT org. |
| 2011-10-02 | Foreign visitors? |
| 2011-10-01 | Letters for college-bound students |
| 2011-08-16 | U.F.O. crew |
| 2011-05-12 | Aliens, for short |
| 2011-02-21 | Non-earthlings, for short |
| 2010-11-22 | U.F.O.'s crew |
| 2010-10-06 | Frequent Weekly World News subjects, briefly |
| 2010-09-27 | Co. that oversees the 21-Across |
| 2010-09-13 | Fliers of U.F.O.'s |
| 2010-07-27 | U.F.O. crew |
| 2010-07-26 | Org. that produces college entrance exams |
| 2010-07-16 | Some "Space Patrol" characters, for short |
| 2010-07-01 | U.F.O. crew |
| 2010-05-02 | "Galaxy Quest" characters, in brief |
| 2009-12-11 | Doctor Who and others, briefly |
| 2009-09-15 | U.F.O. fliers |
| 2009-08-10 | Beings from out of this world, in brief |
| 2009-06-30 | U.F.O. crew |
| 2009-06-14 | Hangar 18 contents, supposedly |
| 2009-03-24 | Little green men, for short |
| 2009-02-09 | Visitors from Venus, say |
| 2008-12-21 | U.F.O. fliers |
| 2008-08-29 | Group from a very distant place |
| 2008-08-24 | "The War of the Worlds" invaders, briefly |
| 2008-08-14 | Uranians, e.g., in brief |
| 2008-07-15 | Some "Stargate SG-1" characters, in brief |
| 2008-06-23 | Martians, e.g., for short |
| 2008-05-21 | Saucer contents, in brief? |
| 2008-04-24 | Foreign visitors? |
| 2008-04-17 | Klingons, e.g. |
| 2008-04-10 | Doctor Who and others, briefly |
| 2008-02-26 | U.F.O. crew |
| 2008-02-04 | U.F.O. fliers |
| 2008-01-13 | Supposed makers of crop circles |
| 2007-12-14 | "The X-Files" subj. |
| 2007-11-23 | Big-headed sorts, for short |
| 2007-07-01 | Venusians, e.g. |
| 2007-06-25 | Travelers from another galaxy, for short |
| 2007-05-12 | Saucerful? |
| 2007-05-01 | Sci-fi invaders |
| 2007-03-28 | Otherworldly ones, for short |
| 2007-02-11 | Sci-fi figures |
| 2007-02-08 | The invaders in "The Invaders" |
| 2006-12-24 | Venusians, e.g. |
| 2006-10-20 | The "gods" in "Chariots of the Gods?," in brief |
| 2006-09-01 | A.P. exam org. |
| 2006-05-22 | Flying saucer fliers, for short |
| 2006-02-12 | French connections? |
| 2006-01-12 | UFO pilots |
| 2005-12-30 | G.R.E. distributor |
| 2005-12-27 | Martians, e.g., in brief |
| 2005-12-04 | Some characters in "The X Files," for short |
| 2005-11-28 | S.A.T. company |
| 2005-10-25 | Otherworldly visitors, for short |
| 2005-10-10 | Non-earthlings, for short |
| 2005-09-26 | Aliens, for short |
| 2005-09-25 | Brief strangers? |
| 2005-09-07 | 19-Across passengers |
| 2005-08-07 | Some warriors in "War of the Worlds" |
| 2005-08-01 | UFO occupants |
| 2005-04-24 | Some "Star Trek" convention costumes |
| 2004-11-25 | Sci-fi subjects, for short |
| 2004-08-24 | UFO fliers |
| 2004-06-03 | S.A.T. administrators |
| 2004-05-21 | "The X-Files" topics, for short |
| 2004-04-15 | Sci-fi figures |
| 2004-04-13 | U.F.O. fliers |
| 2004-03-21 | Down-to-earth ones, in brief? |
| 2003-11-21 | Bug-eyed ones, for short? |
| 2003-10-28 | "Star Wars" extras, for short |
| 2003-09-30 | Visitors from afar: Abbr. |
| 2003-08-28 | Saucer contents, for short |
| 2003-07-13 | Visitors from afar, briefly |
| 2003-03-16 | Versailles connections |
| 2003-02-16 | Bug-eyed ones, maybe: Abbr. |
| 2003-02-10 | UFO crew |
| 2003-01-24 | Saucer contents, for short? |
| 2002-11-20 | Venusians and others, for short |
| 2002-09-08 | Supposed crop circle makers, for short |
| 2002-06-16 | Space invaders, for short |
| 2002-05-10 | Visitors to the Enterprise |
| 2002-02-02 | Dolls of the 80's |
| 2001-11-13 | S.A.T. company |
| 2001-11-10 | Latin connections |
| 2001-11-05 | Aliens, for short |
| 2001-09-25 | Visitors to Earth, for short |
| 2001-08-23 | Venusians, e.g. |
| 2001-08-18 | They can cover a lot of space |
| 2001-07-18 | UFO passengers |
| 2001-05-27 | Venusians, e.g. |
| 2001-05-20 | "The X-Files" extras |
| 2001-05-01 | S.A.T. administrator |
| 2001-03-12 | U.F.O. crew |
| 2001-01-21 | "The X-Files" extras, briefly |
| 2001-01-17 | "Star Wars" walk-ons |
| 2001-01-15 | S.A.T. org. |
| 2000-11-29 | Aliens, briefly |
| 2000-04-23 | Visitors from afar |
| 2000-03-21 | Sci-fi visitors |
| 1999-10-29 | Klingons, e.g. |
| 1999-10-07 | Neptunians and others |
| 1999-07-03 | "The Phantom Menace" creations |
| 1999-06-30 | S.A.T. company |
| 1999-05-31 | Sci-fi villains, for short |
| 1999-03-21 | Certain celeb news shows |
| 1999-02-09 | Martians, e.g. |
| 1998-11-27 | Sci-fi creations |
| 1998-11-13 | Alf and Mork |
| 1998-10-25 | Dolls of the 80's |
| 1998-10-18 | French links |
| 1998-08-04 | Martians and such |
| 1998-06-29 | "Independence Day" invaders |
| 1998-05-24 | Alien force, briefly |
| 1998-04-19 | Subjects for special fx artists |
| 1998-03-28 | Many Trekkie costumes |
| 1998-03-21 | "The X-Files" subject |
| 1998-01-30 | Orly connections? |
| 1998-01-12 | Martians and Venusians, for short |
| 1997-12-02 | U.F.O. crew |
| 1997-11-13 | Non-earthlings, briefly |
| 1997-09-30 | U.F.O. crew |
| 1997-09-07 | Uranians, e.g. |
| 1997-08-29 | They make contact in "Contact" |
| 1997-03-20 | Bug-eyed monsters |
| 1997-03-12 | "Independence Day" villains |
| 1996-11-15 | They're encountered in close encounters |
| 1996-11-01 | Sci-fi figures |
| 1996-10-04 | Martians and Venusians |
| 1996-09-07 | "Independence Day" attackers |
| 1996-09-05 | U.F.O. pilots |
| 1996-08-11 | S.A.T. company |
| 1996-05-29 | Saucer's contents, for short |
| 1995-12-24 | S.A.T. company |
| 1995-12-17 | French connections |
| 1995-09-10 | S.A.T. company |
| 1995-09-05 | French connections? |
| 1995-06-11 | Connections in old Rome |
| 1995-05-27 | Alf and others |
| 1995-05-07 | Visitors from afar |
| 1995-03-19 | Bug-eyed monsters, for short |
| 1995-01-21 | Popular 80's dolls |
| 1994-12-10 | Unexpected visitors, for short |
| 1994-08-14 | Diminutive suffixes |
| 1994-07-25 | Saucer occupants, for short |
| 1994-05-26 | Sci-fi regulars |
| 1994-03-11 | S.A.T. org. |
| 1994-02-13 | Alf, Mork, etc. |
| 1993-12-30 | U.F.O. occupants |