| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Wed, Mar 31, 2021 | 22A | "C'mon, open the door!" | Trenton Charlson | Shortz |
| Fri, Nov 02, 2018 | 40A | [Knock, knock] | David Steinberg | Shortz |
| Thu, Aug 05, 2010 | 11D | "Open up!" | Gary J. Whitehead | Shortz |
| Sun, Aug 10, 2008 | 28A | Knocker's request | Will Nediger | Shortz |
| Thu, Mar 27, 2008 | 27D | What "knock knock" may mean | Joe Krozel | Shortz |