| Year | Title | Role | Notes |
| 1999 | Arli$$ | - | Episode: "D-Day" |
| 2001 | Late Friday | Himself | Episode |
| The Brothers Garcia | Pet Store Clerk | Episode: "But Football Is a Religion" |
| 2001–09, 2016 | Mad TV | Himself/Cast Member | Featured cast (season 7 & 15), main cast (season 8–14) |
| 2004 | I Love the '90s | Himself | 2 episodes |
| Faking It | Himself | Episode: "Fireman to Funnyman" |
| 2005 | Minding the Store | Himself | Episodes: "Makeover" & "La Jolla" |
| The Drop | Himself | Episode |
| Party @ the Palms | Chu | Episode |
| Curb Your Enthusiasm | Sung | Episode: "The Korean Bookie" |
| 2005–06 | Mind of Mencia | Asian CSI Agent/Gay Pirate | 2 episodes |
| 2006 | Icons | Himself | Episode: "Jamie Kennedy" |
| Comedy Zen | Himself | Episode " |
| Thugaboo: Sneaker Madness | Mr. Lee Young/William Hung (voice) | TV movie |
| 2007 | American Dad! | Danny (voice) | Episode: "Bush Comes to Dinner" |
| 2007–14 | Chelsea Lately | Himself/Round Table Guest | Recurring guest |
| 2008 | Asian Excellence Awards | Himself/Host | Main host |
| 2009 | Live at Gotham | Himself/Host | Episode: "Episode " |
| Whorified! The Search for America's Next Top Whore | Himself | Episode: "Reality TV Made Me Do It" |
| Family Guy | Sharply Dressed Asian Man (voice) | Episode: "Business Guy" |
| The League | Chu | Episode: "The Usual Bet" |
| 2009–19 | Laugh Factory | Himself | Recurring guest |
| 2010 | Supreme Court of Comedy | Himself | Episode: "Tom Arnold vs. Bobby Lee" |
| Ktown Cowboys | Himself | Episode: "Episode " |
| Cubed | Bob Yamamoto | Recurring cast (season 1), guest (season 2) |
| 2011 | After Lately | Himself | Episode: "The 'M' Word" |
| Big Time Rush | T.J. | Episode: "Big Time Reality" |
| Family Guy | Chinese Man (voice) | Episode: "Amish Guy" |
| 2012 | Equals Three | Himself | Episode: "Spelling Bee" |
| Samurai! Daycare | Park | Recurring cast |
| RVC: The Lone Shopping Network | Hiri | Episode: "Father of My Squids" |
| 2012–13 | Animal Practice | Dr. Yamamoto | Main cast |
| 2013 | Who Gets the Last Laugh? | Himself | Episode: "Bam Margera/Bobby Lee/Matt Besser" |
| Gotham Comedy Live | Himself/Host | Episode: "Bobby Lee" |
| Knife Fight | Himself | Episode: "Travi vs. Kuramoto" |
| Internet Shock Quiz | Himself | Episode: "Bobby Lee's Racist Confession" |
| Arrested Development | Mrs. Oh | Episode: "Queen B." |
| Tubbin' with Tash | Tiger Belly | Episodes: "Chelsea Handler" & "Chelsea Peretti & Reggie Watts" |
| Sean Saves the World | Mr. Kim | Episode: "Sean Comes Clean" |
| 2013–14 | Kill Tony | Himself/Guest Host | Episodes: "Kill Tony " & "Kill Tony " |
| Deal with It | Himself | Recurring cast (season 1), guest (season 3) |
| 2013–15 | The Awesomes | Tim/Sumo (voice) | Main cast |
| 2014 | TripTank | Mongolian/Mongolian Leader/Li Ching (voice) | Episode: "The Green" & "Candy Van Finger Bang" |
| The League | Lee Wei Lee | Episode: "Epi Sexy" |
| 2014–16 | This Is Not Happening | Himself | Recurring guest |
| 2015 | The Comedians | Fortune Teller's nephew | Episode: "Billy's Birthday" |
| NCIS: Los Angeles | Rio Syamsundin | Episode: "Blame It on Rio" |
| 2015-16 | Bad Weather Films | Himself | 2 episodes |
| 2015–19 | Nature Cat | MC Ferret (voice) | Recurring cast (season 1–3) |
