| Drainage system | 15 |
| Waste conduit | 13 |
| Underground channel | 19 |
| Thread puller | 13 |
| Alligator's home, in urban myths | 36 |
| Culvert | 7 |
| Waste line | 10 |
| Waste conduit under the street | 30 |
| Underground passage | 19 |
| Rat residence | 13 |
| Part of an underground network | 30 |
| Ed Norton's milieu | 22 |
| Bushelman | 9 |
| Workplace for Ed Norton | 23 |
| Wastewater system component | 27 |
| Waste disposer | 14 |
| Waste carrier | 13 |
| Urban conduit | 13 |
| Underground system | 18 |
| Tear repairer | 13 |
| Runoff conduit | 14 |
| Ratty place | 11 |
| Pipe down? | 10 |
| Norton's workplace | 22 |
| Ninja Turtle's hangout | 26 |
| It's accessed via a manhole | 31 |
| Home for the Teenage Mutant Ninja Turtles | 41 |
| Escape site in "Les Misérables" | 44 |
| Drain destination | 17 |
| Betsy Ross, famously | 20 |
| Where Ed Norton worked | 22 |
| Waste line? | 11 |
| Waste channel | 13 |
| Valjean's hideout | 21 |
| Valjean escape route | 20 |
| Urban alligator's home, they say | 36 |
| Urban alligator's home | 26 |
| Underground way | 15 |
| System utilizing grates | 23 |
| Storm drain, e.g. | 17 |
| Stinky stream | 13 |
| Stinky locale to work | 21 |
| Something beyond the grate divide? | 34 |
| Setting of the climactic chase in "The Third Man" | 59 |
| Setting for a famous "Les Misérables" scene | 56 |
| Seam maker | 10 |
| Refuge for Valjean | 18 |
| Rats' residence | 19 |
| Rats' milieu | 16 |
| Rats' hangout | 17 |
| Place of refuse | 15 |
| One with a needle and thread | 28 |
| One who'll put you in stitches? | 35 |
| Ninja Turtles' home | 23 |
| Ninja Turtles' hangout | 26 |
| Ninja Turtle home | 17 |
| New York City alligator's home? | 35 |
| Needle-and-thread worker | 24 |
| Job title (giving a hint to this puzzle's theme) | 52 |
| Jean Valjean's escape route | 31 |
| It may be found under a grate | 29 |
| I.L.G.W.U. member | 17 |
| Home to some crocs | 18 |
| Hangout for Leonardo and friends | 32 |
| Gator's home | 16 |
| Garment-center worker | 21 |
| Ed Norton's bailiwick | 25 |
| Draining main | 13 |
| Drainage pipe | 13 |
| Dorcas, for one | 15 |
| Dorcas was one | 14 |
| Darn good worker? | 17 |
| Couturier's employe | 23 |
| Cloaca | 6 |
| Bushelman, at times | 19 |
| Betsy Ross, for one | 19 |
| Betsy Ross, at times | 20 |
| Betsy Ross e.g. | 16 |
| Artificial conduit | 18 |
| Alligator's home, in urban mythology | 40 |
| "Teenage Mutant Ninja Turtles" setting | 48 |
| "Ratatouille" setting | 31 |
| "Les Miz" setting | 27 |
| "Les Miz" set | 23 |
| "Les Misérables" locale | 36 |
| "Les Misérables" escape site | 41 |
| ''Les Miz'' setting | 35 |
| Conduit system | 14 |
| City conduit network | 20 |
| Waste-disposal system | 21 |
| Refuse liquid | 13 |
| It's wasteful to Ed Norton? | 31 |
| It's wasteful to Ed Norton | 30 |
| Ed Norton's field of work | 29 |
| R.V. park hookup option | 23 |
| Underground stinker | 19 |
| Creature that lives beneath cities | 34 |
| Stinking vermin | 15 |
| Manhole pests | 13 |
| They're under cities | 24 |