| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| By James Watson, about the discovery of the structure of DNA:"Double ____" | helix | $600 | J | COMPLETES THE NONFICTION TITLE | 2019-07-01 | #8026 | |
| James D. Watson:"The Double ___" | Helix | $1,200 | DJ | FILL IN THE NONFICTION BLANK | 2013-07-24 | #6658 |