| 2026-06-27 | Diamond edges? |
| 2025-11-28 | Dead ends? |
| 2025-07-06 | Odd pair? |
| 2025-03-30 | Average killers? |
| 2024-09-27 | Middle's middle |
| 2023-02-03 | Edges of a diamond? |
| 2022-09-15 | Defend borders? |
| 2021-09-11 | Old-fashioned endings? |
| 2021-05-24 | Poor grades |
| 2019-09-08 | Diamond brackets? |
| 2016-03-15 | Middle's middle? |
| 2015-08-18 | Two of diamonds? |
| 2014-10-23 | Odd couple? |
| 2013-09-03 | Barely passing grades |
| 2012-09-16 | Couple of buddies? |
| 2011-04-27 | Pretty low grades |
| 2011-01-18 | *Poor grades |
| 2010-10-31 | Subpar grades |
| 2010-09-26 | Dead ends? |
| 2010-03-12 | Wedding couple? |
| 2009-08-06 | Rick with the 1976 #1 hit "Disco Duck" |
| 2009-04-13 | Almost-failing grades |
| 2008-12-16 | Low grades |
| 2008-06-11 | They're worth 1.0 |
| 2007-04-22 | G.P.A. spoilers |
| 2007-03-14 | Rick with the 1976 #1 hit "Disco Duck" |
| 2006-12-07 | Honor society no-nos |
| 2006-10-08 | G.P.A. spoilers |
| 2006-05-19 | Radio Hall-of-Famer Rick |
| 2006-04-08 | Poor marks |
| 2004-12-02 | Barely passing grades |
| 2004-11-23 | Crummy grades |
| 2004-02-21 | Scrabble 2-pointers |
| 2004-02-20 | Bad marks |
| 2003-08-06 | Stinky grades |
| 2002-11-30 | Bad marks |
| 2002-08-17 | Fiddle duet? |
| 2002-01-10 | Detached ends? |
| 2001-10-05 | Two of diamonds? |
| 2001-08-08 | Odd couple? |
| 2001-01-30 | Rick who sang "Disco Duck" |
| 2000-12-12 | Ruby and Sandra |
| 2000-06-01 | Reason for school probation, maybe |
| 2000-05-21 | Poor marks |
| 1999-12-12 | G.P.A. spoilers |
| 1999-10-26 | Poor grades |
| 1999-05-15 | Odd couple? |
| 1999-05-13 | Low marks |
| 1998-08-06 | Two Scottish rivers |
| 1997-09-29 | Barely passing grades |
| 1996-12-21 | School passes? |
| 1996-04-16 | Low marks |
| 1996-04-04 | TV host Rick |
| 1996-02-19 | Barely passing marks |
| 1994-11-06 | Not grades to brag about |
| 1994-08-15 | Bad grades |
| 1994-06-14 | Grades below the curve |