| Clue | Source | Date |
|---|---|---|
| 50 Across 53 Across | The Telegraph Cross Atlantic | 10 Apr 2025 |
| "No idea": 2 wds. | Commuter | 03 Apr 2024 |
| "No idea!" | Eugene Sheffer | 01 Apr 2024 |
| "Haven't the foggiest" | LA Times Daily | 31 Jul 2023 |
| 'No idea' | The Washington Post | 02 Jul 2020 |
| "No idea" | LA Times Daily | 02 Jul 2020 |