| Year |
Title |
Role |
Notes |
Ref. |
| 2003 |
The Shield |
Jessica Hintel |
Episode: "The Quick Fix" |
[55] |
| American Dreams |
Amy Fielding |
Episode: "Act of Contrition" |
[56] |
| The O'Keefes |
Virginia's Owner |
Episode: "Substitute Teacher" |
[5] |
| Everwood |
Stacey Wilson |
Episode: "Extra Ordinary" |
[57] |
| 2004 |
Deadwood |
Flora Anderson |
2 episodes |
[58] |
| Gracie's Choice |
Gracie Thompson |
TV movie |
[59] |
2004–2007, 2019 |
Veronica Mars |
Veronica Mars |
Lead role; also executive producer (season 4) |
[60] |
| 2007–2008 |
Heroes |
Elle Bishop |
Main cast (season 2); Recurring (season 3) |
[61][62] |
| 2007–2012 |
Gossip Girl |
Gossip Girl (voice) / Herself |
Uncredited; Herself (Episode: "New York, I Love You XOXO") |
[63][64] |
| 2009 |
The Cleveland Show |
Mandy (voice) |
Episode: "Da Doggone Daddy-Daughter Dinner Dance" |
[65] |
| 2009–2010 |
Party Down |
Uda Bengt |
2 episodes |
[66] |
| 2011 |
Glenn Martin, DDS |
Hayley (voice) |
Episode: "Videogame Wizard" |
[67] |
| Robot Chicken |
Sara Lee (voice) |
Episode: "Some Like It Hitman" |
[68] |
| 2012–2016 |
House of Lies |
Jeannie van der Hooven |
Lead role (5 seasons) |
[69] |
| 2012 |
Unsupervised |
Megan (voice) |
13 episodes |
[70] |
| 2012–2014 |
CMT Music Awards |
Host |
Special |
[71][72] |
| 2013–2014 |
Parks and Recreation |
Ingrid de Forest |
3 episodes |
[73] |
| 2013, 2020 |
Hollywood Game Night |
Herself |
2 episodes |
[74][75] |
| 2013 |
Lady Gaga and the Muppets Holiday Spectacular |
Special |
[76] |
| 2015 |
Repeat After Me |
Episode: "1.2" |
[77] |
| Liv and Maddie |
Episode: "Ask Her More-a-Rooney" |
[78] |
| 30th Independent Spirit Awards |
Herself / Co-Host |
Special, with Fred Armisen |
[79] |
| It's Your 50th Christmas, Charlie Brown |
Special |
[80] |
| 2015, 2021 |
The Simpsons |
Harper Jambowski (voice), Marge Simpson (singing voice) |
Episodes: "Friend with Benefit", "The Star of the Backstage" |
[81][82] |
| 2016 |
iZombie |
Herself (voice) |
Episode: "Fifty Shades of Grey Matter" |
[83] |
| LEGO Frozen Northern Lights |
Anna (voice) |
Special |
[84] |
| 2016–2020 |
The Good Place |
Eleanor Shellstrop |
Lead role: 53 episodes ; Directed episode: "The Funeral to End All Funerals" |
[85] |
| 2017 |
Nobodies |
Herself |
Episode: "Too Much of a Good Thing" |
[86] |
| Jimmy Kimmel Live! |
Herself / Guest Host |
May 4, 2017; standing in for Jimmy Kimmel |
[87] |
| BoJack Horseman |
Ruthie (voice) |
Episode: "Ruthie" |
[88] |
| Family Guy |
Martha (voice) |
Episode: "Petey IV" |
[89] |
| Encore! |
Herself / Host |
Also executive producer |
[90] |
| 2017–2018 |
Big Mouth |
Various voices |
4 episodes |
[91] |
| 2018 |
24th Screen Actors Guild Awards |
Herself / Host |
Special |
[92] |
| The Ellen DeGeneres Show |
Herself / Guest Host |
May 31, 2018; standing in for Ellen DeGeneres |
[93] |
| The Joel McHale Show with Joel McHale |
Herself |
Episode: "Pizza Ghost" |
[94] |
| 2019 |
Last Week Tonight with John Oliver |
Episode: "Compounding Pharmacies" |
[95] |
| 2019–2020 |
Encore! |
Herself / Host |
12 episodes Also executive producer |
[90] |
| 2020 |
#KidsTogether: The Nickelodeon Town Hall |
Moderator of COVID-19 special; Also executive producer |
[96] |
| Into the Unknown: Making Frozen 2 |
Herself |
Documentary |
[97] |
| 2020, 2022 |
Central Park |
Molly Tillerman (voice), Abby (voice) |
Main role (season 1 and 3) |
[98][99] |
| 2021–2023 |
Gossip Girl |
Gossip Girl (voice) |
Narrator |
[100] |
| 2021 |
Ultra City Smiths |
Donella Pecker (voice) |
Main role |
[101] |
| HouseBroken |
Juliet (voice) |
Episode: "Who's a Good Therapist?" |
[102] |
| 2021–2022 |
Do, Re & Mi |
Mi (voice) |
Main role; also executive producer |
[103] |
| 2022–2023 |
The Tiny Chef Show |
Herself |
3 episodes; also executive producer |
[104] |
| 2022 |
The Woman in the House Across the Street from the Girl in the Window |
Anna Whitaker |
Miniseries; main role |
[105] |
| Norman Lear: 100 Years of Music & Laughter |
Herself |
Television special |
[106] |
| Zootopia+ |
Priscilla (voice) |
Episode: "Dinner Rush" |
[107] |
| 2023 |
StoryBots: Answer Time |
Ms. Cafeteria Worker Lady |
Episode: "Refrigerator" |
[108] |
| 2024–present |
Nobody Wants This |
Joanne Williams |
Main role; also executive producer[109] |
[110] |
| 2024 |
A Man on the Inside |
Extra |
Cameo; uncredited |
[111] |
| 2025 |
31st Screen Actors Guild Awards |
Herself / Host |
Special |
[112] |
| Hacks |
Herself |
Episode: "Clickable Face" |
[113] |