| Clue | Source | Date |
|---|---|---|
| Comedy-club rule followed by each of our theme entries | ||
| Comedy club requirement, perhaps | USA Today | 22 Oct 2019 |
| Comedy club requirement, perhaps | ||
| Club requirement, sometimes | USA Today | 26 Jan 2016 |
| Club requirement, sometimes | ||
| Common comedy club requirement | LA Times Daily | 08 Oct 2015 |
| Common comedy club requirement | ||
| Club requirement, perhaps | ||
| Nightclub policy, perhaps | ||
| Club requirement, perhaps |