| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Tonic water contains a small amount of this alkaloid used in the treatment of malaria | quinine | $600 | J | SCIENCE | 2021-08-02 | #8456 | |
| This malaria-fighting substance is extracted from the bark of the cinchona tree | quinine | $300 | J | GENERAL SCIENCE | 1996-03-28 | #2674 |