| GOBETWEEN | Intermediary ... or a hint to 23-, 35-, 42- and 52-Across |
| ALEX | Trebek who's in "Jeopardy!" and in 17-, 27-, 42-, and 52-Across |
| DETERGENTS | Laundry needs, and the starts of 17-, 21-, 33-, 42- and 52-Across |
| DOG | With 1-Across, what 20-, 34-, 42- and 52-Across end with |
| ONAUTO | Running by itself, and where the first words of 17-, 35-, 42 and 64- Across can be placed |
| AGENT | An intermediary or go-between; any natural power or force acting on matter; or, a shadow, spook or spy (5) |
| AGENCY | An instrumentality; or, the business or office of a broker, intermediary or representative (6) |
| THERESNOTWO | With 64-Across, words of certainty ... or a hint to 23-, 40- and 56-Across |
| BREAKTHINGS | See 17-Across ... or a hint to 23-, 34- and 48-Across |
| UFOSIGHTING | Eerie encounter ... or a hint to 23-, 31- and 39-Across |
| BUMPHEADS | Disagree ... or, literally, what the last words of 18-, 23-, 35-, and 49- Across can be |
| SHAMAN | Spiritual intermediary or medicine man in certain indigenous religions |
| LASTONESTANDING | Survivor of an all-out brawl ... or a hint to 23-, 38-, 64- and 87-Across |
| LIAISON | Intermediary or go-between (7) |
| SHEEPS | Sound start to 23, a 24 for 22 23 (6,8) |
| MATADOR | Adjusting to 23 he aims to get a bull |
| ITSNOTYOUITSME | Classic breakup excuse ... or a phonetic hint to 23-, 36-, 47-, 67-, 86- and 93-Across |
| POLARCIRCLES | Two parallels of latitude each at a distance from the pole of the earth equal to 23 degrees and 27 minutes (5,6) |
| PERU | A lot of reading opposite to 23? (4) |
| STAG | Party when going to 23 - a hind? (4) |
