| Mister Rogers' network | 26 |
| Commercial-free TV network | 26 |
| Commercial-free network | 23 |
| Charlie Rose's network | 26 |
| Big Bird's network | 22 |
| "NewsHour" network | 28 |
| "NewsHour" home | 25 |
| "Mystery!" network | 28 |
| Where to find Charlie Rose | 26 |
| Viewer-supported TV network | 27 |
| TV network with pledge drives | 29 |
| Romantic poet's monogram | 28 |
| Nielsen client since 2009 | 25 |
| Mr. Rogers was spotted here | 27 |
| Monogram of a Romantic poet | 27 |
| Mister Rogers's home | 24 |
| Ken Burns media partner | 23 |
| Ken Burns collaborator | 22 |
| Jim LehrerÂ’s employer | 25 |
| Its logo includes a profile | 27 |
| It has lots of pledges | 22 |
| It doesn't air ads | 22 |
| Home of "NerdTV" | 26 |
| Educational TV channel | 22 |
| Cookie Monster's home | 25 |
| Charlie Rose's home | 23 |
| Airer of Masterpiece Classics | 29 |
| "Nova" airer | 22 |
| "Mystery" network | 27 |
| "Mystery!" shower | 27 |
| "Mystery!" setting | 28 |
| "Mystery!" channel | 28 |
| "Masterpiece" airer | 29 |
| "Baseball" shower | 27 |
| "Baseball" showcase | 29 |
| 'Sesame Street' airer | 29 |
| 'NerdTV' network | 24 |
| Chemical banned by the EPA | 26 |
| Banned chemical compound | 24 |
| Toxic compound, for short | 25 |
| Toxic chemical, for short | 25 |
| Banned pollutant, in brief | 26 |
| Banned chem. contaminant | 24 |
| Wildlife threat, briefly | 24 |
| Toxic pollutant, for short | 26 |
| Pollutant found in NCR paper | 28 |
| Pollutant banned by the EPA | 27 |
| Outlawed pollutant, for short | 29 |
| Hudson River pollutant | 22 |
| Controversial chemical | 22 |
| Chemical pollutant, for short | 29 |
| Banned chem. pollutant | 22 |
| Banned pollutants, briefly | 26 |
| Toxic chem. pollutants | 22 |
| They were banned in 1975 | 24 |
| Pollutants banned in 1975 | 25 |
| Noxious compounds, briefly | 26 |
| Highly toxic pollutants | 23 |
| Environmental toxins (abbr.) | 28 |
| Cancer-causing compounds | 24 |
| Programming class setting | 25 |
| Hi-tech students' haunt | 27 |
| Where many students click | 25 |
| Techies' campus hangout | 27 |
| Techie's campus hangout | 27 |
| Site of campus workstations | 27 |
| Place to train with mice | 24 |
| Graphic design school feature | 29 |
| Computer class setting | 22 |
| Phencyclidine, on the street | 28 |
| Tranquilizer drug, for short | 28 |
| Psychosis-mimicking drug | 24 |
| Narc's find, for short | 26 |
| Hallucinogen since the 1950s | 28 |
| Drug also known as angel dust | 29 |
| Alternative to bath salts | 25 |
| "Angel dust" | 22 |
| Some hallucinogens, for short | 29 |
| Some generalists, initially | 27 |
| HMO doctor designations | 23 |
| Psychedelic drugs, for short | 28 |
| Illicit drugs, briefly | 22 |
| General MDs, to insurers | 24 |
| Macs' alternatives | 22 |
| Windows can be found on them | 28 |
| Some notebooks, briefly | 23 |
| Objects on many desktops | 24 |
| Desktop items, for short | 24 |
| Computers for all, for short | 28 |
| Windows may open on them | 24 |
| They're Intel-ligent | 24 |
| They work from memory: Abbr. | 28 |
| They may get viruses (abbr.) | 28 |
| Staples staples, for short | 26 |
| Staples staples, briefly | 24 |
| Some workstations: Abbr. | 24 |
| Software runners, briefly | 25 |
| Pts. of a jigsaw puzzle | 23 |
| Personal computers, for short | 29 |
| Office staples, for short | 25 |