| The Great North | | actress |
| Bob's Burgers | 2011-2019 | actress |
| Will & Grace | 1998-2019 | actress |
| Where'd You Go, Bernadette | 2019 | actress |
| The Disaster Artist | 2017 | actress |
| Oh Lucy! | 2017 | actress |
| Will & Grace: Musical | 2017 | actress |
| Dimension 404 | 2017 | actress |
| Infinity Baby | 2017 | actress |
| Lemon | 2017 | actress |
| Why Him? | 2016 | actress |
| Life in Pieces | 2016 | actress |
| The History of Exercise | 2016 | actress |
| Childrens Hospital | 2008-2016 | actress |
| Sofia the First | 2013-2016 | actress |
| You, Me and the Apocalypse | 2015 | actress |
| Hotel Transylvania 2 | 2015 | actress |
| Randy Cunningham: 9th Grade Ninja | 2012-2015 | actress |
| Axe Cop | 2013-2015 | actress |
| Parks and Recreation | 2009-2015 | actress |
| Alexander and the Terrible, Horrible, No Good, Very Bad Day | 2014 | actress |
| Pauline Alone | 2014 | actress |
| Apartment Troubles | 2014 | actress |
| Trophy Wife | 2014 | actress |
| Date and Switch | 2014 | actress |
| Dalai Lama | 2013 | actress |
| Web Therapy | 2013 | actress |
| Web Therapy | 2013 | actress |
| Happy Endings | 2011-2013 | actress |
| G.B.F. | 2013 | actress |
| Out There | 2013 | actress |
| The Kings of Summer | 2013 | actress |
| 30 Rock | 2008-2013 | actress |
| The Greatest Event in Television History | 2012 | actress |
| Breaking In | 2012 | actress |
| Ernest & Celestine | 2012 | actress |
| What to Expect When You're Expecting | 2012 | actress |
| Up All Night | 2012 | actress |
| Somebody Up There Likes Me | 2012 | actress |
| Smashed | 2012 | actress |
| Home for Actresses | 2011 | actress |
| Party Down | 2010 | actress |
| Wainy Days | 2010 | actress |
| That's What She Said | 2010 | actress |
| Fame | 2009 | actress |
| In the Motherhood | 2009 | actress |
| Bad Mother's Handbook | 2008 | actress |
| The New Adventures of Old Christine | 2008 | actress |
| Bee Movie | 2007 | actress |
| Boston Legal | 2007 | actress |
| Campus Ladies | 2006 | actress |
| How I Met Your Mother | 2006 | actress |
| Peep and the Big Wide World | 2006 | actress |
| Rebound | 2005 | actress |
| Teacher's Pet | 2004 | actress |
| The Pact | 2002 | actress |
| Stealing Harvard | 2002 | actress |
| King of the Hill | 2002 | actress |
| Speaking of Sex | 2001 | actress |
| Monkeybone | 2001 | actress |
| 3rd Rock from the Sun | 2000 | actress |
| Everything Put Together | 2000 | actress |
| Best Man in Grass Creek | 1999 | actress |
| Anywhere But Here | 1999 | actress |
| Winchell | 1998 | actress |
| Just Shoot Me! | 1998 | actress |
| Caroline in the City | 1997 | actress |
| Mad About You | 1997 | actress |
| Frasier | 1997 | actress |
| Ned and Stacey | 1997 | actress |
| The Flintstones Christmas in Bedrock | 1996 | actress |
| Couples | 1994 | actress |
| Batman: The Animated Series | 1994 | actress |
| A Flintstone Family Christmas | 1993 | actress |
| Hollyrock-a-Bye Baby | 1993 | actress |
| Seinfeld | 1993 | actress |
| I Yabba-Dabba Do! | 1993 | actress |
| Rachel Gunn, R.N. | 1992 | actress |
| Fish Police | 1992 | actress |
| Timeless Tales from Hallmark | 1991 | actress |
| Herman's Head | 1991 | actress |
| My Life and Times | 1991 | actress |
| Dear John | 1991 | actress |
| Queens Logic | 1991 | actress |
| Rainbow Drive | 1990 | actress |
| Wings | 1990 | actress |
| China Beach | 1989 | actress |
| Almost Grown | 1989 | actress |
| Murder, She Wrote | 1988 | actress |
| The Ellen Burstyn Show | 1986-1987 | actress |
| About Last Night... | 1986 | actress |
| Last Resort | 1986 | actress |
| Tall Tales & Legends | 1986 | actress |
| Once Bitten | 1985 | actress |
| First Steps | 1985 | actress |
| American Playhouse | 1984 | actress |
| Risky Business | 1983 | actress |
| The Children Nobody Wanted | 1981 | actress |
| Bob's Burgers | | soundtrack |
| Sofia the First | 2013 | soundtrack |
| Happy Endings | 2011 | soundtrack |
| Burlesque | 2010/I | soundtrack |
| Fame | 2009 | soundtrack |
| The 62nd Annual Tony Awards | 2008 | soundtrack |
| CMT Giants | 2006 | soundtrack |
| Will & Grace | 2001-2006 | soundtrack |
| Saturday Night Live | 2004 | soundtrack |
| Teacher's Pet | 2004 | soundtrack |
| The 54th Annual Tony Awards | 2000 | soundtrack |
| Bye Bye Love | 1995 | soundtrack |
| China Beach | 1989 | soundtrack |
| Nick Offerman & Megan Mullally: Summer of 69: No Apostrophe | 2017 | producer |
| Infinity Baby | 2017 | producer |
| The Megan Mullally Show | 2006 | producer |
| Nick Offerman & Megan Mullally: Summer of 69: No Apostrophe | 2017 | writer |
| The Megan Mullally Show | 2006 | writer |
| Frances Ferguson | 2019 | thanks |
| Sunday Town Music Project | | self |
| Conan | 2012-2019 | self |
| Today | 2004-2019 | self |
| Peacock Knows Comedy | 2019 | self |
| An Emmy for Megan | 2019 | self |
| Ellen: The Ellen DeGeneres Show | 2003-2019 | self |
| Entertainment Tonight | 2007-2019 | self |
| 2019 Vanity Fair Oscar Party | 2019 | self |
| Live with Kelly and Ryan | 2007-2019 | self |
| Late Night with Seth Meyers | 2014-2019 | self |
| The 25th Annual Screen Actors Guild Awards | 2019 | self |
| The Bachelor | 2019 | self |
| 76th Golden Globe Awards | 2019 | self |
| Carpool Karaoke | 2018 | self |
| Busy Tonight | 2018 | self |
| Entertainment Tonight Canada | 2017-2018 | self |
| WGN Morning News | 2016-2018 | self |
| Good Morning America | 2018 | self |
| The Tonight Show Starring Jimmy Fallon | 2014-2018 | self |
| The View | 2002-2018 | self |
| Access Hollywood | 2017-2018 | self |
| The 70th Primetime Emmy Awards | 2018 | self |
| Jimmy Kimmel Live! | 2010-2018 | self |
| Who Do You Think You Are? | 2018 | self |
| Ok! TV | 2017-2018 | self |
| Extra | 2017-2018 | self |
| 24th Annual Screen Actors Guild Awards | 2018 | self |
| SAG Foundation Conversations | 2017 | self |
| Harry | 2016-2017 | self |
| Megyn Kelly Today | 2017 | self |
| The Paley Center Salutes the Best of Will & Grace | 2017 | self |
| Nick Offerman & Megan Mullally: Summer of 69: No Apostrophe | 2017 | self |
| The Late Show with Stephen Colbert | 2016-2017 | self |
| Loose Women | 2017 | self |
| The Nightly Show | 2017 | self |
| Sunday Brunch | 2017 | self |
| Made in Hollywood | 2016 | self |
| Special Look | 2016 | self |
| Watch What Happens Live with Andy Cohen | 2016 | self |
| Last Week Tonight with John Oliver | 2015-2016 | self |
| Must See TV: A Tribute to James Burrows | 2016 | self |
| CBS News Sunday Morning | 2015 | self |
| The Late Late Show with James Corden | 2015 | self |
| The Story Behind: Will & Grace | 2015 | self |
| The Story Behind | 2015 | self |
| The Wendy Williams Show | 2014 | self |
| The Broadway.com Show | 2014 | self |
| The Late Late Show with Craig Ferguson | 2013-2014 | self |
| The Talk | 2011-2014 | self |
| Nick Offerman: American Ham | 2014 | self |
| The Queen Latifah Show | 2013 | self |
| The Living Room | 2013 | self |
| Kathy | 2013 | self |
| The 7PM Project | 2013 | self |
| Larry King Now | 2012 | self |
| Comic Con 2012 Live | 2012 | self |
| The Morning After | 2012 | self |
| Late Show with David Letterman | 2001-2012 | self |
| CollegeHumor Originals | 2012 | self |
| Kevin Pollak's Chat Show | 2011 | self |
| Life After Emmy | 2011 | self |
| Funniest Women on TV | 2011 | self |
| The Tonight Show with Conan O'Brien | 2009 | self |
| The Bonnie Hunt Show | 2009 | self |
| Sesame Street | 2008 | self |
| Sries express | 2008 | self |
| Kathy Griffin: My Life on the D-List | 2008 | self |
| Late Night with Conan O'Brien | 1999-2008 | self |
| The 62nd Annual Tony Awards | 2008 | self |
| TV's All-Time Funniest: A Paley Center for Media Special | 2008 | self |
| Night of Too Many Stars: An Overbooked Concert for Autism Education | 2008 | self |
| Broadway Beat | 2007 | self |
| HBO First Look | 2007 | self |
| 13th Annual Screen Actors Guild Awards | 2007 | self |
| The Megan Mullally Show | 2006-2007 | self |
| VH1 Big in 06 Awards | 2006 | self |
| Comic Relief 2006 | 2006 | self |
| Square Off | 2006 | self |
| The Tonight Show with Jay Leno | 2001-2006 | self |
| The 58th Annual Primetime Emmy Awards | 2006 | self |
| Will & Grace: The Final Bow (Curtain Call) | 2006 | self |
| Will & Grace: Say Goodnight Gracie | 2006 | self |
| The Oprah Winfrey Show | 2006 | self |
| The 4th Annual TV Land Awards | 2006 | self |
| 12th Annual Screen Actors Guild Awards | 2006 | self |
| The 63rd Annual Golden Globe Awards | 2006 | self |
| Christmas in Rockefeller Center | 2005 | self |
| Will & Grace: Backstage Pass | 2005 | self |
| The 57th Annual Primetime Emmy Awards | 2005 | self |
| The 59th Annual Tony Awards | 2005 | self |
| The 20th IFP Independent Spirit Awards | 2005 | self |
| 11th Annual Screen Actors Guild Awards | 2005 | self |
| The 62nd Annual Golden Globe Awards | 2005 | self |
| The 31st Annual People's Choice Awards | 2005 | self |
| A Clay Aiken Christmas | 2004 | self |
| 10th Annual Screen Actors Guild Awards | 2004 | self |
| Saturday Night Live | 2004 | self |
| The Sharon Osbourne Show | 2004 | self |
| Great Women of Television Comedy | 2003 | self |
| Inside the Actors Studio | 2003 | self |
| The Wayne Brady Show | 2003 | self |
| Primetime Glick | 2003 | self |
| Lifetime's Achievement Awards: Women Changing the World | 2003 | self |
| Madonna Speaks | 2003 | self |
| 9th Annual Screen Actors Guild Awards | 2003 | self |
| CMT: 40 Greatest Men of Country Music | 2003 | self |
| The 60th Annual Golden Globe Awards | 2003 | self |
| 20 Years of Must See TV | 2002 | self |
| NBC 75th Anniversary Special | 2002 | self |
| The Rosie O'Donnell Show | 1999-2002 | self |
| 8th Annual Screen Actors Guild Awards | 2002 | self |
| Dennis Miller Live | 2001 | self |
| The 15th Annual American Comedy Awards | 2001 | self |
| 7th Annual Screen Actors Guild Awards | 2001 | self |
| The 52nd Annual Primetime Emmy Awards | 2000 | self |
| NBC Must See TV Preview with Megan Mullally | 2000 | self |
| The 54th Annual Tony Awards | 2000 | self |
| Pajama Party | 2000 | self |
| The 25th Annual People's Choice Awards | 1999 | self |
| Macy's Thanksgiving Day Parade | 1994 | self |
| The 48th Annual Tony Awards | 1994 | self |
| Entertainment Tonight | 2016-2019 | archive_footage |
| The History of Comedy | 2018 | archive_footage |
| Variety Studio: Actors on Actors | 2018 | archive_footage |
| Ok! TV | 2017 | archive_footage |
| The Insider | 2016-2017 | archive_footage |
| Extra | 2017 | archive_footage |
| Corazn de... | 2005-2006 | archive_footage |
| 50 Most Wicked Women of Primetime | 2004 | archive_footage |
| Frasier: Analyzing the Laughter | 2004 | archive_footage |
| Will on Will & Grace | 2003 | archive_footage |
| Herman's Head | 1993 | archive_footage |
62