| Young Sheldon | 2017-2019 | actor |
| The Big Bang Theory | 2013-2018 | actor |
| The Librarians | 2014-2017 | actor |
| Hot in Cleveland | 2015 | actor |
| Five | 2011 | actor |
| Horrible Bosses | 2011 | actor |
| NCIS | 2011 | actor |
| The Librarian: The Curse of the Judas Chalice | 2008 | actor |
| The Librarian: Return to King Solomon's Mines | 2006 | actor |
| Desperate Housewives | 2005 | actor |
| Committed | 2005 | actor |
| The Librarian: Quest for the Spear | 2004 | actor |
| ER | 2003 | actor |
| Elf | 2003 | actor |
| Legally Blonde 2: Red, White & Blonde | 2003 | actor |
| Untitled Sisqo Project | 2001 | actor |
| The Sports Pages | 2001 | actor |
| Rudolph the Red-Nosed Reindeer: The Movie | 1998 | actor |
| George & Leo | 1997-1998 | actor |
| In & Out | 1997 | actor |
| Murphy Brown | 1994 | actor |
| Bob | 1992-1993 | actor |
| The Entertainers | 1991 | actor |
| The Rescuers Down Under | 1990 | actor |
| Newhart | 1982-1990 | actor |
| First Family | 1980 | actor |
| Little Miss Marker | 1980 | actor |
| Marathon | 1980 | actor |
| Insight | 1973-1979 | actor |
| The Bob Newhart Show | 1972-1978 | actor |
| The Rescuers | 1977 | actor |
| Thursday's Game | 1974 | actor |
| The Don Rickles Show | 1972 | actor |
| Decisions! Decisions! | 1971 | actor |
| Cold Turkey | 1971 | actor |
| Laugh-In | 1968-1970 | actor |
| Catch-22 | 1970 | actor |
| On a Clear Day You Can See Forever | 1970 | actor |
| Hot Millions | 1968 | actor |
| Captain Nice | 1967 | actor |
| Bob Hope Presents the Chrysler Theatre | 1965 | actor |
| The Alfred Hitchcock Hour | 1963 | actor |
| Hell Is for Heroes | 1962 | actor |
| The Ed Sullivan Show | 1960-1962 | actor |
| Bob Newhart: Button Down Concert | 1995 | writer |
| The Bob Newhart Show | | writer |
| Newhart | | soundtrack |
| The Rescuers | 1977 | soundtrack |
| The Bob Newhart Show | 1972 | soundtrack |
| The Dean Martin Show | 1966-1970 | soundtrack |
| Mr. Warmth: The Don Rickles Project | 2007 | thanks |
| Entertainment Tonight | 2007-2019 | self |
| The 71st Primetime Emmy Awards | 2019 | self |
| Funny You Never Knew | 2019 | self |
| The 61st Annual Grammy Awards | 2019 | self |
| Conan | 2017-2018 | self |
| The Year in Memoriam | 2017 | self |
| Night of Too Many Stars | 2017 | self |
| Extra | 2014-2017 | self |
| The Insider | 2017 | self |
| Today | 2017 | self |
| Tavis Smiley | 2006-2017 | self |
| 2016 Primetime Creative Arts Emmy Awards | 2016 | self |
| Must See TV: A Tribute to James Burrows | 2016 | self |
| The Seventies | 2015 | self |
| The Late Late Show with Craig Ferguson | 2014-2015 | self |
| The Bob Newhart Show: Group Therapy | 2014 | self |
| Jimmy Kimmel Live! | 2010-2014 | self |
| Inside Edition | 2014 | self |
| Don Rickles: One Night Only | 2014 | self |
| Pioneers of Television | 2014 | self |
| The 65th Primetime Emmy Awards | 2013 | self |
| 2013 Primetime Creative Arts Emmy Awards | 2013 | self |
| Richard Pryor: Omit the Logic | 2013 | self |
| Svengoolie | 2013 | self |
| The Talk | 2013 | self |
| Inside Comedy | 2013 | self |
| American Masters | 2012 | self |
| Excavating the 2000 Year Old Man | 2012 | self |
| The 8th Annual TV Land Awards | 2010 | self |
| TCM Guest Programmer | 2010 | self |
| The Florence Henderson Show | 2008-2009 | self |
| The 61st Primetime Emmy Awards | 2009 | self |
| The Tonight Show with Conan O'Brien | 2009 | self |
| The Tonight Show with Jay Leno | 1995-2009 | self |
| Make 'Em Laugh: The Funny Business of America | 2009 | self |
| The Bonnie Hunt Show | 2008 | self |
| The Hour | 2008 | self |
| Dawn French's Boys Who Do Comedy | 2007 | self |
| Mr. Warmth: The Don Rickles Project | 2007 | self |
| Late Show with David Letterman | 1993-2007 | self |
| Bob Newhart Show 35 Year Reunion | 2007 | self |
| TV Land: Myths and Legends | 2007 | self |
| Larry King Live | 2002-2006 | self |
| Ellen: The Ellen DeGeneres Show | 2003-2006 | self |
| This Week | 2006 | self |
| Late Night with Conan O'Brien | 2006 | self |
| The 58th Annual Primetime Emmy Awards | 2006 | self |
| Ask Jack! | 2006 | self |
| Sit Down Comedy with David Steinberg | 2005 | self |
| The 100 Most Unexpected TV Moments | 2005 | self |
| Unforgettable Moments in Television Entertainment | 2005 | self |
| The 3rd Annual TV Land Awards | 2005 | self |
| Film School for Kids | 2004 | self |
| How They Made the North Pole | 2004 | self |
| The 100 Most Memorable TV Moments | 2004 | self |
| Emmy's Greatest Moments | 2004 | self |
| TV Land Landmarks: Breaking the Mold | 2004 | self |
| The Daily Show | 2003 | self |
| CBS at 75 | 2003 | self |
| Intimate Portrait | 2002 | self |
| On Stage at the Kennedy Center: The Mark Twain Prize | 2002 | self |
| The 54th Annual Primetime Emmy Awards | 2002 | self |
| NBC 75th Anniversary Special | 2002 | self |
| Everybody Loves Raymond | 2002 | self |
| Added Attractions: The Hollywood Shorts Story | 2002 | self |
| The Interviews: An Oral History of Television | 2001 | self |
| MADtv | 2001 | self |
| Biography | 1996-2001 | self |
| The 20th Century: Yesterday's Tomorrows | 1999 | self |
| E! True Hollywood Story | 1999 | self |
| CBS: The First 50 Years | 1998 | self |
| The Rosie O'Donnell Show | 1998 | self |
| The 24th Annual People's Choice Awards | 1998 | self |
| The 49th Annual Primetime Emmy Awards | 1997 | self |
| 1996 MTV Movie Awards | 1996 | self |
| The Simpsons | 1996 | self |
| Bob Newhart: Button Down Concert | 1995 | self |
| Saturday Night Live | 1980-1995 | self |
| Montreal International Comedy Festival '94 | 1994 | self |
| The Second Annual Comedy Hall of Fame | 1994 | self |
| Legend to Legend Night: A Celebrity Cavalcade | 1993 | self |
| A Most Unusual Man | 1993 | self |
| Holiday Greetings from 'The Ed Sullivan Show' | 1992 | self |
| This Is Your Life | 1992 | self |
| The 44th Annual Primetime Emmy Awards | 1992 | self |
| The Tonight Show Starring Johnny Carson | 1965-1992 | self |
| The Bob Newhart Show 19th Anniversary Special | 1991 | self |
| Jerry Lewis MDA Labor Day Telethon | 1990 | self |
| Late Night with David Letterman | 1987-1990 | self |
| It's Garry Shandling's Show. | 1990 | self |
| Comic Relief III | 1989 | self |
| Super Password | 1986-1988 | self |
| Not Necessarily the News | 1987 | self |
| The 39th Annual Primetime Emmy Awards | 1987 | self |
| Don Rickles: Rickles on the Loose | 1986 | self |
| The 38th Annual Primetime Emmy Awards | 1986 | self |
| The 37th Annual Primetime Emmy Awards | 1985 | self |
| Night of 100 Stars II | 1985 | self |
| Aspel & Company | 1985 | self |
| All-Star Party for Frank Sinatra | 1983 | self |
| George Burns Celebrates 80 Years in Show Business | 1983 | self |
| Circus of the Stars #7 | 1982 | self |
| People of the Year | 1982 | self |
| Circus of the Stars #6 | 1981 | self |
| Ladies and Gentlemen... Bob Newhart, Part II | 1981 | self |
| Best of the Dean Martin Show | 1979 | self |
| The Cheap Show | 1978 | self |
| Tattletales | 1975-1977 | self |
| CBS Galaxy | 1977 | self |
| Dinah! | 1977 | self |
| The Mike Douglas Show | 1966-1977 | self |
| Celebrity Bowling | 1971-1976 | self |
| Super Night at the Super Bowl | 1976 | self |
| Don Adams' Screen Test | 1975 | self |
| Perry Como's Springtime Special | 1975 | self |
| The Don Rickles Show - Mr. Warmth | 1975 | self |
| Celebrity Tennis | 1974 | self |
| The Bob Hope Show | 1974 | self |
| The Dean Martin Show | 1965-1974 | self |
| RCA's Opening Night | 1973 | self |
| The Rowan and Martin Special | 1973 | self |
| A Couple of Dons | 1973 | self |
| Jack Paar Tonite | 1973 | self |
| The Vin Scully Show | 1973 | self |
| Don Rickles: Alive and Kicking | 1972 | self |
| The Dick Cavett Show | 1971 | self |
| The Carol Burnett Show | 1971 | self |
| The David Frost Show | 1971 | self |
| The Don Knotts Show | 1971 | self |
| The Glen Campbell Goodtime Hour | 1969-1970 | self |
| The Best on Record | 1970 | self |
| The Jim Nabors Hour | 1970 | self |
| The Ed Sullivan Show | 1961-1970 | self |
| A Last Laugh at the Sixties | 1970 | self |
| It's Your Bet | 1970 | self |
| The Andy Williams Show | 1969 | self |
| The Smothers Brothers Comedy Hour | 1968-1969 | self |
| Playboy After Dark | 1969 | self |
| George Jessel's Here Come the Stars | 1969 | self |
| The Jackie Gleason Show | 1968 | self |
| A Funny Thing Happened on the Way to Hollywood | 1967 | self |
| The Hollywood Palace | 1964-1966 | self |
| Perry Como's Kraft Music Hall | 1964-1966 | self |
| The Andy Williams Show | 1962-1966 | self |
| Salute to Stan Laurel | 1965 | self |
| The Celebrity Game | 1965 | self |
| The Jack Paar Program | 1962-1965 | self |
| The Best on Record | 1965 | self |
| The Entertainers | 1964 | self |
| The Royal Variety Performance 1964 | 1964 | self |
| Password | 1964 | self |
| Fractured Flickers | 1964 | self |
| The Judy Garland Show | 1963 | self |
| The Garry Moore Show | 1960-1962 | self |
| The Bob Newhart Show | 1961-1962 | self |
| The 14th Annual Primetime Emmy Awards | 1962 | self |
| The Linkletter Show | 1962 | self |
| The Jack Paar Tonight Show | 1960-1962 | self |
| The Writers Guild Awards | 1962 | self |
| What's My Line? | 1962 | self |
| Here's Hollywood | 1961 | self |
| The Dinah Shore Chevy Show | 1961 | self |
| The 12th Annual Primetime Emmy Awards | 1960 | self |
| Playboy's Penthouse | 1959-1960 | self |
| Entertainment Tonight | 2009-2019 | archive_footage |
| Extra | 2017 | archive_footage |
| Inside Edition | 2015 | archive_footage |
| Hewy's Animated Movie Reviews | 2010 | archive_footage |
| TV's 50 Funniest Catch Phrases | 2009 | archive_footage |
| Mad Men | 2007 | archive_footage |
| 100 Greatest Stand-Ups | 2007 | archive_footage |
| Game Show Moments Gone Bananas | 2005 | archive_footage |
| 100 Greatest Stand-Ups of All Time | 2004 | archive_footage |
| Coming Attractions | 2003 | archive_footage |
| Playboy: Inside the Playboy Mansion | 2002 | archive_footage |
| Classic Stand-Up Comedy of Television | 1996 | archive_footage |
| The Carol Burnett Show: A Reunion | 1993 | archive_footage |
| Great Performances | 1985 | archive_footage |
| TV's Funniest Game Show Moments | 1984 | archive_footage |
| Texaco Star Theatre Presents Bob Hope in 'Who Makes the World Laugh?' | 1983 | archive_footage |
| Good Old Days Part II | 1978 | archive_footage |
| The Magical World of Disney | 1977 | archive_footage |
| Bob Hope's World of Comedy | 1976 | archive_footage |
| Texaco Presents: A Quarter Century of Bob Hope on Television | 1975 | archive_footage |
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