| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| 1796: In a pioneering lecture, Georges Cuvier uses the mastodon to show that this can & does happen to animal species | extinction | $200 | J | SCIENCE TIMELINE | 2024-12-24 | #9232 | |
| "When Life Nearly Died" travels back 251 million years to "The Greatest Mass" this "of All Time", which wiped out 90% of life on earth | Extinction | $600 | J | SCIENCE BOOKS | 2020-12-02 | #8293 |