| Oscar show airer? | 17 |
| Onetime "Stay curious" sloganeer | 42 |
| Nova network ltrs. | 21 |
| Nonprofit channel | 17 |
| Nightly "NewsHour" airer | 34 |
| Nielsen client since 2009 | 25 |
| NewsHour ntwk. | 14 |
| Network with "viewers like you" | 41 |
| N.Y.'s 13, Boston's 2, etc. | 35 |
| N.E.A. grantee | 14 |
| Mr. Rogers was spotted here | 27 |
| Monogram of the "Ozymandias" poet | 43 |
| Monogram of the "Adonais" poet | 40 |
| Monogram of a Romantic poet | 27 |
| Mister Rogers's home | 24 |
| Lehrer airer | 12 |
| Kermit's home | 17 |
| 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 |
| It airs 'Nova' and 'Nature' | 43 |
| Home of "NerdTV" | 26 |
| Holder of fund drives | 21 |
| Hat-passing network | 19 |
| ETV source | 10 |
| ETV purveyor | 12 |
| Educational TV channel | 22 |
| Educ. TV initials | 17 |
| Educ. network | 13 |
| “Ebert Presents At the Movies” network | 46 |
| Cookie Monster's home | 25 |
| Charlie Rose's home | 23 |
| Channel funded by "Viewers Like You" | 46 |
| Big TV inits. | 13 |
| Big broadcast inits. | 20 |
| Arthur's home | 17 |
| Airer of the original David Frost/Richard Nixon interviews | 58 |
| Airer of Masterpiece Classics | 29 |
| Ad-free network | 15 |
| "Washington Week" broadcaster | 39 |
| "Washington Week" airer | 33 |
| "Wall Street Week" airer | 34 |
| "Viewers Like You" network | 36 |
| "Viewers Like You" help support it: Abbr. | 51 |
| "This Old House" address | 34 |
| "The National Parks" airer | 36 |
| "The Electric Company" network | 40 |
| "The Civil War" airer | 31 |
| "The American Experience" network | 43 |
| "Sid the Science Kid" network | 39 |
| "Sesame Street" station | 33 |
| "Sesame Street" loc. | 30 |
| "Sesame Street" airer | 31 |
| "Nova" airer | 22 |
| "Mystery" network | 27 |
| "Mystery!" shower | 27 |
| "Mystery!" setting | 28 |
| "Mystery!" channel | 28 |
| "Mystery!" broadcaster | 32 |
| "Masterpiece" broadcaster | 35 |
| "Masterpiece" airer | 29 |
| "Masterpiece Theatre" airer | 37 |
| "Independent Lens" network | 36 |
| "History Detectives" channel | 38 |
| "History Detectives" airer | 36 |
| "Evening at Pops" airer | 33 |
| "Downton Abbey" broadcaster | 37 |
| "Downton Abbey" airer | 31 |
| "Charlie Rose" network | 32 |
| "CEO Exchange" network | 32 |
| "Bill Nye the Science Guy" airer | 42 |
| "Bill Moyers Journal" airer | 37 |
| "Be more ..." sloganeer | 33 |
| "Baseball" shower | 27 |
| "Baseball" showcase | 29 |
| "Baking with Julia" network | 37 |
| "Austin City Limits" network | 38 |
| "Austin City Limits" channel | 38 |
| "Antiques Roadshow" shower | 36 |
| "Antiques Roadshow "network | 37 |
| 'Sid the Science Kid' network | 37 |
| 'Sesame Street' airer | 29 |
| 'NerdTV' network | 24 |
| ''Mystery!'' channel | 36 |
| ''Frontline'' airer | 35 |
| ''American Masters'' airer | 42 |
| __ KIDS Sprout (cable channel) | 30 |
| Chem. pollutant | 15 |
| Chemical banned by the EPA | 26 |
| Chem. contaminant | 17 |
| Banned chemical compound | 24 |
| Toxic compound, for short | 25 |
| Toxic chemical, for short | 25 |
| Organic river pollutant, for short | 34 |
| Banned pollutant, in brief | 26 |
| Banned chem. contaminant | 24 |
| Wildlife threat, briefly | 24 |