| 1 | Distance below a surface DEPTH. |
| 6 | Wood for making bats ASH. |
| 9 | IRS expert CPA. |
| 12 | Stadium snack NACHOS. |
| 14 | Sing doo bah doo bah doo SCAT. |
| 16 | ___ milk OAT. |
| 17 | Quiver contents ARROWS. |
| 18 | The Maltese Falcon film genre NOIR. |
| 19 | FedEx rival UPS. |
| 20 | Stimpy's pal REN. |
| 21 | Season AUTUMN. |
| 23 | NBA network ESPN. |
| 26 | Stone fruits APRICOTS. |
| 28 | Square root of XLIX VII. |
| 29 | Starbucks special during 21 Across (abbr.) PSL. |
| 31 | Artist Walker KARA. |
| 32 | Accommodation for student with ADHD IEP. |
| 33 | Secret menu treatment ANIMALSTYLE. |
| 38 | Four less than 28 Across, in modern-day Rome TRE. |
| 39 | What you may have done to a Facebook post LIKEDIT. |
| 40 | L org. CTA. |
| 41 | Hawaiian Islands or British Isles ARCHIPELAGO. |
| 43 | Slang for excellent or exciting, according to Merriam-Webster LIT. |
| 44 | Athletes Raisman and Wagner ALYS. |
| 45 | Economist's stat GNP. |
| 46 | The foie gras of the sea? UNI. |
| 47 | Break up SEPARATE. |
| 51 | Become an accomplice ABET. |
| 52 | Festival regulator, in Caesar's time AEDILE. |
| 53 | Digital communication sys.? ASL. |
| 55 | __ Arbor ANN. |
| 57 | That girl in Paris ELLE. |
| 58 | Those girls in Buenos Aires CHICAS. |
| 62 | Gathering of quilters BEE. |
| 63 | You might save one for a friend SEAT. |
| 64 | Itty-bitty TEENSY. |
| 65 | Georgian initials, once SSR. |
| 66 | Library sound? SHH. |
| 67 | Athletes Kournikova and Pavlova ANNAS. |