| 100% | KITTYHAWK | 9 | With 41-Across, location of the first successful 25-Across |
| 55% | GEORGE | 6 | With 24 Across, loser of the first really serious pie fight? |
| 54% | FOILMETHOD | 10 | Technique used to multiply (x+4)(x-5), with the first words of 17-, 25-, 36-, and 44 Across making up its mnemonic |
| 53% | BALL | 4 | The first lady of TV sitcoms, married to 41 across |
| 53% | FREE | 4 | With 6-Across, guarantee of the First Amendment |
| 53% | SANTA | 5 | With the first parts of 17- and 52-Across and 11- and 25-Down, four California cities |
| 52% | GROWING | 7 | With 41 Across, gradually-apparent problem ... and an explanation of the puzzle's circles? |
| 51% | MAIL | 4 | With 37-Across, perform perfunctorily … or a hint to the ends of 16-, 25-, 41- and 55-Across |
| 51% | NBA | 3 | Org. whose only members with nonplural names appear at the ends of 17-, 25-, 41- and 56-Across |
| 51% | MURDER | 6 | With 23-Across, subtitle of the first season of "American Horror Story" |
| 50% | KAMALA | 6 | With 19 Across, first female Vice President of the United States of America |
| 49% | STONE | 5 | With 52-Across, commander at the First Battle of Bull Run |
| 48% | MICHAEL | 7 | With 41-Across, musician known as the King of Pop |
| 48% | BABE | 4 | With 55-Across, member of the Baseball Hall of Fame's first class |
| 48% | JACK | 4 | With 41-Across, co-creator of Captain America and the Hulk |
| 47% | PAULCORNU | 9 | Inventor of the first successful piloted copter |
| 47% | MCMIII | 6 | Year of the 21-Acrosses' first 25-Across |
| 46% | IRON | 4 | With 21 Across, one of the Avengers |
| 46% | GEORGE | 6 | With 39 Across, coiner of the slogan |
| 46% | LEONARD | 7 | With 18 Across, recipient of the comment |
| 46% | BRAD | 4 | With 59-Down, star of the work revealed by the first letters of the Across clues, which hint at this puzzle's theme |
| 45% | ALLFORONE | 9 | With 24 Across, slogan of The Three Musketeers |
| 45% | KLING | 5 | With 19-Across, its high council meets in the Great Hall of the First City |
| 45% | STATE | 5 | With 70-Across, what the first word of each long Across answer is vis-à-vis the bracketed place in its clue |
| 45% | SPOONERISM | 10 | Feature of the clues for 17-, 25-, 41- and 52-Across |
| 45% | ARGO | 4 | First steamship with a planned circumnavigation of the globe |
| 45% | TENNIS | 6 | With 41-Across, question associated with the last words of 17-, 26-, 55- and 64-Across |
| 45% | LINEDANCING | 11 | Honky-tonk activity, and a description of the first parts of 20-, 34- and 41-Across |
| 45% | JULIUS | 6 | With 25-Across, speaker of the quote hidden in 20-, 37- and 53-Across |
| 45% | TWENTYQUESTIONS | 15 | Game suggested by the first words of 17-, 25- and 42-Across |