| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Sir Humphry Davy named this compound laughing gas & was addicted to it | nitrous oxide | $800 | DJ | SCIENCE & MEDICINE | 2021-09-16 | #8469 | |
| In 1844 dentist Horace Wells used this anesthetic on himself to pull a tooth; he then began using it on patients | nitrous oxide | $800 | DJ | MEDICINE | 2003-06-26 | #4349 | |
| In 1844 Dr. Horace Wells, a Hartford, Conn. dentist, first used this, A.K.A. laughing gas, as an anesthetic | nitrous oxide | $1,000 | DJ | MEDICINE | 1991-05-07 | #1552 |