Referring Clues

• Big broadcast inits.
• Where to find Charlie Rose
• Big TV inits.
• N.E.A. grantee
• "Masterpiece Theatre" airer
• It doesn't air ads
• Source of ad-free TV
• "Antiques Roadshow" shower
• "Mystery!" shower
• Nightly "NewsHour" airer
• "Mystery!" broadcaster
• "Sesame Street" channel
• "Nova" network
• Onetime "Stay curious" sloganeer
• Charlie Rose's network
• "This Old House" address
• "Sesame Street" broadcaster
• "Sesame Street" network
• "Zoboomafoo" network
• Viewer-supported TV network
• "Be more ..." sloganeer
• "Bill Moyers Journal" airer
• Oscar show airer?
• "Mystery!" letters
• "Barney & Friends" network
• "Antiques Roadshow" network
• "This Old House" network
• "The NewsHour with Jim Lehrer" network
• TV fund drive holder
• "Nova" ntwk.
• "Masterpiece Theatre" network
• "Postcards from Buster" network
• "Car Talk" airer
• "Mystery!" network
• "Mystery" network
• NewsHour ntwk.
• "Sesame Street" loc.
• TV funded by "Viewers Like You"
• "Washington Week" airer
• Jim Lehrer's employer
• Its logo includes a profile
• Rose's home
• Arthur's home
• "CEO Exchange" network
• "Antiques Roadshow" airer
• "Bill Nye the Science Guy" airer
• Mister Rogers's home
• "The Civil War" airer
• "Sesame Street" station
• "Evening at Pops" airer
• Commercial-free TV network
• "Antiques Roadshow" network
• Kermit's home
• Sesame St. home
• Cookie Monster's home
• "American Masters" network
• "Antiques Roadshow" airer
• "Frontline" airer
• "American Masters" airer
• "Nova" network
• Hat-passing network
• Big Bird's network
• Network with NEA funding
• TV network letters
• "Mystery!" channel
• TV fundraiser
• Viewer-supported network (Abbr.)
• Network with pledge drives
• Home for Big Bird
• TV network
• Nonprofit channel
• TV ad shunner
• Pledge-week network
• "Sesame Street" airer
• "Antiques Roadshow "network
• "The National Parks" airer
• "Masterpiece" broadcaster
• "NewsHour" network
• "Viewers Like You" help support it: Abbr.
• "Frontline" airer
• NEA grant recipient
• "Masterpiece" airer
• ___ KIDS Sprout (cable channel)
• "Mystery!" channel
• "NewsHour" home
• Charlie Rose's home
• "American Masters" airer
• "American Masters" network
• Jim Lehrer’s employer
• “Ebert Presents At the Movies” network
• TV network since 1970
• Noncommercial network
• "Sid the Science Kid" network
• "Reading Rainbow" network
• "Independent Lens" network
• Nielsen client since 2009
• 'Antiques Roadshow' airer
• 'Sesame Street' network
• Mr. Rogers' neighborhood?
• Big Bird's home
• 'Sesame Street' venue
• Big Bird's home?
• It airs 'Nova' and 'Nature'
• 'Sesame Street' airer
• 'Nova' airer
• 'Nova' network
• Pledge drive station
• Ken Burns collaborator
• The mystery channel
• Ad-free network
• "Austin City Limits" network
• "Nova" airer
• "Masterpiece Theater" network
• Nature channel
• It has lots of pledges
• "The American Experience" network
• TV pledge drive holder
• 'Sid the Science Kid' network
• TV fund-drive holder
• "Car Talk" broadcaster
• Home of "NerdTV"
• "Baking with Julia" network
• Sta. that thanks its viewers often
• 'NerdTV' network
• Airer of Masterpiece Classics
• "Downton Abbey" airer
• "Masterpiece" channel
• Lehrer airer
• Mister Rogers' network
• "History Detectives" airer
• "Downton Abbey" broadcaster
• Network with regular pledge drives
• Network of "Frontline"
• "Baseball" showcase
• "Masterpiece Mystery" airer
• ___ Kids: "Sesame Street" brand
• Noncommercial TV letters
• Natl. network
• "America's largest classroom" network ... or, read as a plural, a hint to 20-, 28-, 46- and 53-Across
• First US airer of "Monty Python" episodes
• "POV" airer
• "Frontline" distributor
• Nonprofit network
• 'Nova' carrier
• Ad free TV
• Airer of Ken Burns documentaries
• "Mister Rogers' Neighborhood" airer
• "Bob the Builder" airer
• TV network with pledge drives
• Public broadcasting org.
• "NewsHour" airer
• Public broadcasting svce.
• Network debut of 1970
• Network for Ken Burns series
• "NewsHour" channel
• "Nature" network
• "Sesame Street" setting
• Only 50-state TV network
• "Masterpiece" network
• 'Downton Abbey' channel
• Broadcaster of many Ken Burns documentaries
• Bert and Ernie's network
• "Mister Rogers' Neighborhood" network
• Network for Ken Burns documentaries
• "Frontline" network
• "Viewers Like You" network
• Noncommercial TV network
• "Austin City Limits" carrier
• U.S. network that aired "Downton Abbey"
• Government-supported TV network since 1970
• Partially viewer-funded TV network
• Nonprofit network airing "Antiques Roadshow"
• "American Experience" network
• Where in the world is Carmen Sandiego?
• "Arthur" TV station
• Home of Arthur the aardvark?
• First US outlet for Monty Python
• "___ NewsHour"
• "American Experience" broadcaster
• "Great Performances" airer
• “Secrets of the Dead” network
• Judy Woodruff's network
• “Independent Lens” airer
• "Finding Your Roots" airer
• Nightly "NewsHour" presenter
• "POV" network
• “American Masters” airer
• “Frontline” network
• "Finding Your Roots" channel
• “Great Performances” channel
• "History Detectives" network
• "Call the Midwife" channel
• "Amanpour & Company" network
• Original "Sesame Street" channel
• "Simply Ming" channel
• "Amanpour & Co." network
• "Arthur" airer
• "Call the Midwife" network
• "The Magic School Bus" network
• Network soliciting donors
• TV station that thanks "viewers like you"
• Channel with a three-face logo
• "The Magic School Bus" was its first fully animated series
• "Reading Rainbow" channel
• "POV" channel
• Channel that succeeded National Educational Television
• Where to find "Great Performances"
• Network supported by "Viewers Like You"
• U.S. airer of "Downton Abbey"
• "Cyberchase" channel
• "The Magic School Bus" airer
• "Antiques Roadshow" channel
• "Nova" channel
• Judy Woodruff's longtime network
• "Reading Rainbow" airer
• "Call the Midwife" airer
• "Death in Paradise" airer
• Network behind the Ken Burns docuseries "Jazz"
• Channel that aired "Arthur"
• "Poldark" airer
• "Curious George" channel
• "Clifford the Big Red Dog" airer
• Channel with on-air fund-raising
• "We'll Meet Again" channel
• "All Creatures Great and Small" airer
• Viewer-supported network
• "Cosmos" network
• ___ Kids ("WordGirl" channel)
• Its first airing was "The French Chef" with Julia Child
• "Big Cats 24/7" network
• "Downton Abbey" network
• Channel supported by pledge drives