| Year Title Role Notes | |
| 2007 12 Miles of Bad Road Bethany "3 episodes: ""The Dirty White Girl"" (season 1: episode 2) ""Collateral Verbiage"" (season 1: episode 4) ""Moonshadow"" (season 1: episode 6)" | |
| 2008–09 Kath & Kim Tina Season 1 (recurring; 6 episodes) | |
| 2009–present The Big Bang Theory Dr. Bernadette Rostenkowski-Wolowitz Season 3 (recurring; 5 episodes) Season 4–present (series regular) | |
| 2010 The Office Cathy Duke "1 episode ""The Delivery""" | |
| 2010 True Blood Summer Season 3 (recurring; 6 episodes) | |
| 2010 Wright vs. Wrong Daisy Cake TV movie | |
| 2014 Jake and the Never Land Pirates First-Mate Mollie (voice) "1 episode ""Smee-erella""" | |
| 2014 Teenage Fairytale Dropouts Miss Macabre "1 episode ""Something Wicked This Way Substitutes""" | |
| 2014 The Hot Housewives of Orlando Calliope 1 episode | |
| 2015 Sofia the First Fairy Tizzy (voice) 1 episode | |
| 2015 Scooby-Doo! and the Beach Beastie Kiki (voice) TV Movie | |
| 2017 Star vs. the Forces of Evil Baby (voice) 1 episode | |
| 2017 Marvel's Ant-Man The Wasp (voice) 2 episodes | |
| 2017 Blaze and the Monster Machines Light Thief (voice) 1 episode | |
| 2019 Black Monday Shira 1 episode | |