| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This "colorful" tide occurs in warm waters when there is an increase of protozoa called dinoflagellates | a red tide | $800 | DJ | MARINE BIOLOGY | 2017-09-20 | #7593 | |
| This "colorful" tide occurs when there is a population explosion of dinoflagellates | a red tide | $800 | DJ | MARINE BIOLOGY | 1992-01-08 | #1698 |