| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The hardest tissue in the body, it covers the crown of a tooth | enamel | $400 | J | SCIENCE-PODGE | 2020-12-01 | #8292 | |
| This white, glossy coating on your teeth is the hardest substance in the human body | Enamel | $100 | J | GENERAL SCIENCE | 2000-07-19 | #3673 |