| Clue | Source | Date |
|---|---|---|
| "Groundhog Day" plot device | New York Times | 13 Apr 2025 |
| Sci-fi trope seen in films such as Edge of Tomorrow, Source Code, and Palm Springs | ||
| Plot device in "Groundhog Day" and "Russian Doll" | USA Today | 13 Sep 2024 |
| Narrative device employed in "Russian Doll" | LA Times Daily | 31 Jul 2024 |
| Plot point in "Palm Springs" | ||
| Narrative device used in 'Groundhog Day' | New York Times | 23 Jun 2023 |