| 2026-01-17 | Plant with psychoactive leaves |
| 2025-09-07 | Andean stimulant |
| 2025-03-30 | Stimulant crop of South America |
| 2024-10-19 | Source of a South American herbal tea |
| 2024-02-19 | ___-Cola |
| 2023-12-06 | Half a soft drink? |
| 2023-02-12 | Plant whose name derives from Quechua |
| 2022-07-23 | Cash crop of South America |
| 2022-04-24 | Plant cultivated by the Incas |
| 2019-06-27 | Traditional treatment for altitude sickness |
| 2019-02-19 | Lucrative South American crop |
| 2019-01-31 | Part of a white script on a red can |
| 2017-04-16 | South American cash crop |
| 2016-08-24 | Cash crop in Colombia |
| 2016-08-04 | Natural stimulant |
| 2016-06-03 | Colombian crop |
| 2015-10-05 | ___-Cola |
| 2015-03-14 | Bolivian export |
| 2012-06-29 | Something to chew on |
| 2012-03-28 | Andean stimulant |
| 2012-01-15 | Chewed stimulant |
| 2009-04-19 | Chewed stimulant |
| 2008-11-23 | It's cultivated in the Andes |
| 2008-09-19 | ___ leaf |
| 2007-10-30 | Drug-yielding plant |
| 2006-02-11 | Chewed stimulant |
| 2005-07-31 | Bean source |
| 2005-06-09 | Plant with a chewable leaf |
| 2004-09-20 | ___-Cola |
| 2004-03-12 | Pioneer of TV comedy |
| 2003-08-09 | Best Actress Emmy winner of 1951 |
| 2003-05-27 | Cola's beginning |
| 2002-06-17 | ___-Cola |
| 2001-11-27 | "Your Show of Shows" regular |
| 2001-07-04 | Kind of leaves |
| 2000-07-30 | 1951 Best Actress Emmy winner |
| 2000-05-24 | With 42-Across, a popular 1886 creation |
| 1999-11-26 | Chewed stimulant |
| 1999-08-22 | She found success with Caesar |
| 1999-05-19 | Imogene of early TV |
| 1998-12-04 | Caesar's partner |
| 1997-09-26 | Andean shrub |
| 1997-03-26 | Caesar's sidekick |
| 1996-12-07 | Caesar's sidekick |
| 1996-05-30 | Caesar's partner in 50's TV |
| 1995-11-04 | Kind of leaf |
| 1995-07-16 | Stimulating shrub |
| 1995-07-06 | A Caesar partner |
| 1995-03-09 | Comic Imogene |
| 1995-02-20 | Caesar's partner in 50's TV |
| 1994-11-30 | Imogene of "Your Show of Shows" |
| 1994-04-10 | Caesar's partner |
| 1993-11-28 | Illicit leaves |