| Year | Title | Role | Notes |
| 1996 | Homicide: Life on the Street | Doorman | 1 episode (uncredited) |
| 2004 | Jump Cuts | The Beef | 1 episode |
| 2005 | Empire Square | Rabbit (voice) | (US version) |
| 2006–2008 | Late Night with Conan O'Brien | Various | |
| 2007–2008 | Bronx World Travelers | Glider | 3 episodes |
| 2007–2011 | UCB Comedy Originals | — | 4 episodesAlso director, writer and editor |
| 2008–2017 | Saturday Night Live | Various | Main cast |
| 2008–2012 | Saturday Night Live Weekend Update Thursday | Various | 4 episodes |
| 2008 | Human Giant | — | Writer1 episode |
| 2009 | The Electric Company | Skeleckian Gravity Spray Spokesperson | Episode: "Gravity Groove" |
| Chowder | Jam (voice) | Episode: "The Grape Worm" |
| Mercy | Conrad Bellingham | Episode: "I Believe You Conrad" |
| 2011 | UBC Comedy Originals | — | Writer4 episodes |
| 2012 | Happy Endings | Corey | Episode: "You Snooze, You Bruise" |
| Ugly Americans | Jerry "The Fire Ant" McMillan (voice) | Episode: "Journey to the Center of Twayne" |
| 30 Rock | Stewart Derr | Episode: "Murphy Brown Lied to Us" |
| Girls | Thadd | Episode: "She Did" |
| Portlandia | Robert | Episode: "Winter in Portlandia" |
| 2012–2013 | The Side Car | Brick (voice) | 7 episodesAlso writer |
| 2013 | Sesame Street | Quacker Duck Man | Episode: "Porridge Art" |
| Aqua Teen Hunger Force | Zarfonius (voice) | Episode: "Storage Zeebles" |
| 2013–2015 | The Awesomes | Various voices | 26 episodes |
| 2013–2016 | Comedy Bang! Bang! | Fourvel | 4 episodes |
| 2014 | Chozen | Chozen (voice) | 10 episodes |
| Playing House | Danny | Episode: "Spaghetti and Meatballs" |
| 2014–2016 | Jake and the Never Land Pirates | King Crab (voice) | 3 episodes |
| 2014–2019 | Drunk History | Various | 2 episodes |
| 2015 | The Jack and Triumph Show | Mr. Hardgraves | Episode: "Siri" |
| The Simpsons | Tyler Boom (voice) | Episode: "Cue Detective" |
| 2015–2019 | We Bare Bears | Panda (voice) | 105 episodes |
| 2015–2025 | Nature Cat | Hal (voice) | 87 episodes |
| 2016 | Netflix Presents: The Characters | Chuck | Episode: "Lauren Lapkus" |
| Albert | Albert (voice) | Television film |
| 2017 | Man Seeking Woman | Puffala (voice) | Episode: "Popcorn" |
| Descendants 2 | Dude (voice) | Television film |
| Big Brother | Himself | Episode |
| The David S. Pumpkins Halloween Special | Fat Skeleton (voice) | TV specialAlso writer and producer |
| 2017–2021 | DuckTales | Louie Duck, additional voices | Main cast |
| 2017–2018 | Me, Myself & I | Alex Riley | Main cast; 13 episodes |
| 2017–2023 | RuPaul's Drag Race | Himself/Guest Judge | 3 episodes (including "Good God Girl, Get Out") |
| 2018 | Bob's Burgers | Sam (voice) | Episode: "Are You There Bob? It's Me, Birthday" |
| Detroiters | Himself (As "Fat Bieber") | Episode: "Lois" |
| 2018–2019 | Unbreakable Kimmy Schmidt | Fran Dodd | 3 episodes |
| 2018–2023 | Summer Camp Island | Mortimer, Melvin, Jimjams, Toad Doctor, Additional Voices (voice) | 44 episodes |
| 2018–2020 | Star Wars Resistance | Orka, additional voices | Main cast |
| 2018, 2025 | Last Week Tonight with John Oliver | Santa Claus, Joe Bailey | 2 episodes |
| 2019 | Documentary Now! | Larry Hawburger | Episode: "Any Given Saturday Afternoon" |
| Descendants 3 | Dude (voice) | Television film |
| Where's Waldo? | Wizard Wavybeard (voice) | Episode: "Hang Ten in Tahiti" |