| 2026-08-21 | N.L. East team, on scoreboards |
| 2026-07-16 | Letter after upsilon |
| 2026-05-05 | Greek letter that looks like an "O" superimposed with an "I" |
| 2026-04-06 | ___ Beta Kappa |
| 2026-01-11 | Greek letter that resembles an "I" atop an "O," as seen eight times in this puzzle |
| 2025-12-19 | Golden ratio symbol |
| 2025-12-03 | Aphrodite's second letter |
| 2025-10-11 | Symbol for electric flux, in physics |
| 2025-07-28 | Chi preceder |
| 2025-01-14 | ___ Beta Kappa |
| 2024-08-23 | The Flyers, on a scoreboard |
| 2024-05-09 | Apt Greek letter for a University of Pennsylvania fraternity |
| 2023-12-22 | Preantepenultimate letter |
| 2023-12-14 | Greek letter used to represent magnetic flux |
| 2023-11-08 | Flyers, on scoreboards |
| 2023-05-25 | Golden ratio symbol |
| 2022-11-11 | The Sixers, on scoreboards |
| 2022-10-23 | The 76ers, on scoreboards |
| 2022-07-29 | It's written as a vertical line bisecting a circle |
| 2022-06-28 | The Eagles, on scoreboards |
| 2022-05-27 | Letter after upsilon |
| 2022-04-11 | ___ Beta Kappa |
| 2021-12-20 | Letter before chi |
| 2021-10-04 | ___ Beta Kappa |
| 2021-09-19 | Letter two after tau |
| 2021-03-21 | Golden ratio symbol |
| 2020-11-19 | 76ers, on scoreboards |
| 2020-09-09 | Symbol of the golden ratio |
| 2020-08-30 | 21st Greek letter |
| 2020-02-29 | Symbol for the golden ratio |
| 2019-12-25 | ___ Beta Kappa |
| 2019-01-16 | Fraternity letter |
| 2019-01-02 | Upsilon follower |
| 2018-08-26 | The Eagles, on scoreboards |
| 2018-06-02 | Golden ratio symbol |
| 2018-05-01 | Greek letter that represents the golden ratio |
| 2018-01-25 | #21 of 24 |
| 2017-11-27 | ___ Beta Kappa |
| 2017-11-01 | Letter in an honor society's name |
| 2017-09-22 | Beta preceder |
| 2017-09-13 | Golden ratio symbol |
| 2017-06-16 | 21st in a series of 24 |
| 2017-03-04 | The Eagles, for short |
| 2016-12-30 | ___ Bete (honor society member, informally) |
| 2016-09-13 | ___ Beta Kappa |
| 2016-03-16 | Fraternity letter |
| 2016-01-24 | Follower of upsilon |
| 2016-01-10 | One of five rhyming Greek letters |
| 2015-12-11 | N.L. East team |
| 2015-09-07 | ___ Beta Kappa |
| 2015-04-22 | Greek letter that's also an M.L.B. city on scoreboards |
| 2014-10-20 | Letter after upsilon |
| 2014-03-03 | ___ Beta Kappa |
| 2013-06-09 | The Eagles, on a scoreboard |
| 2013-03-10 | Symbol of the golden ratio |
| 2012-08-10 | Golden ratio symbol |
| 2012-07-22 | N.L. East team, on scoreboards |
| 2012-04-19 | Fraternity character |
| 2012-04-08 | Letter seen twice in Philadelphia |
| 2012-01-02 | ___ Beta Kappa |
| 2011-12-25 | Beta preceder |
| 2011-10-19 | 21st letter |
| 2011-07-20 | Greek symbol for the golden ratio |
| 2011-05-18 | Upsilon's follower |
| 2011-05-11 | Greek letter associated with the 33-Across |
| 2011-05-09 | ___ Beta Kappa |
| 2010-11-16 | Honor society letter |
| 2010-09-19 | ___ Beta Kappa |
| 2010-08-01 | The golden ratio |
| 2010-04-06 | Honor society letter |
| 2009-12-27 | Honor society character |
| 2009-05-07 | ___ Beta Kappa |
| 2007-10-05 | ___ phenomenon (optical illusion) |
| 2007-06-11 | ___ Beta Kappa |
| 2007-03-08 | Symbol of electric flux |
| 2007-01-17 | Upsilon follower |
| 2006-10-09 | ___ Beta Kappa |
| 2006-04-04 | Letter after upsilon |
| 2006-02-13 | ___ Beta Kappa |
| 2005-08-04 | Honor society letter |
| 2005-05-08 | Sorority letter |
| 2005-01-19 | Key letter |
| 2004-09-09 | Key opener? |
| 2004-08-26 | ___ Beta Kappa |
| 2004-02-08 | Key letter |
| 2003-12-17 | Key letter |
| 2003-09-29 | Letter before Beta in a society's name |
| 2003-04-28 | ___ Beta Kappa |
| 2003-03-24 | ___ Beta Kappa |
| 2002-05-03 | Key letter |
| 2001-11-24 | Key letter? |
| 2001-05-08 | ___ Beta Kappa |
| 2001-03-27 | ___ Beta Kappa |
| 2001-02-06 | ___ Beta Kappa |
| 1999-08-10 | ___ Beta Kappa |
| 1998-08-28 | Fraternity letter |
| 1998-08-10 | ___ Beta Kappa |
| 1998-02-28 | Key opener? |
| 1996-07-20 | Fraternity letter |
| 1996-07-07 | Honorary letter |
| 1996-06-30 | Campus letter |
| 1996-05-25 | Fluidity symbol, in mechanics |
| 1996-04-08 | ___Beta Kappa |
| 1996-03-25 | Fraternity letter |
| 1996-03-09 | Honor society opening |
| 1996-01-13 | Key letter |
| 1995-05-12 | Key letter |
| 1995-03-26 | Key letter |
| 1995-03-01 | _____ Beta Kappa |
| 1995-02-16 | Sorority character |
| 1995-01-31 | Upsilon's successor |
| 1994-11-13 | Magnetic flux symbol |