<P> Micucci performs "Playin' with Micucci" on third Mondays at the Steve Allen Theater on Hollywood Boulevard, in Hollywood, California, most recently in August and October 2011 . In the act, she presents "songs and stories in (a) musical variety show ." Micucci says the title is the only dirty aspect of the show . She can also frequently be seen performing with Lindhome in "An Evening with Garfunkel and Oates" at the Upright Citizens Brigade Theater in Los Angeles . She performed with William H. Macy on the ukulele to promote the DVD release of the film Bart Got a Room . The video has been circulated around the Internet on sites such as YouTube and The Huffington Post . </P> <P> In 2010, Micucci appeared in the Kristen Bell film When in Rome and also in an episode in the sixth season of the TV show Weeds as a slightly sedated waitress . She appeared in some episodes of the HBO series, Bored to Death and appeared as the babysitter / dogsitter / eldersitter Shelley in the series Raising Hope . In February 2011, Micucci appeared briefly in a Progressive Insurance ad as a waitress . She has also voiced a character on Pendleton Ward's animated series Adventure Time, as well as the character of Julie Kane on the Disney XD animated series Motorcity . She also voices the recurring character Sadie on the Cartoon Network animated series Steven Universe . In July 2012, Kate appeared in Written by a Kid's production Scary Smash, a Geek and Sundry creation that was executive produced by Kim Evey, Felicia Day, and Sheri Byrant . </P> <P> In January 2013, Micucci's casting was announced for a recurring role on The Big Bang Theory as "a potential love interest for...Raj ." Her character, the painfully shy Lucy, first appeared on February 14, 2013 . Micucci appeared as a guest judge on King of the Nerds . </P> <P> As of October 2015 she provides the voice of Velma Dinkley in the series Be Cool, Scooby - Doo!, sharing with Mindy Cohn in other forms of media . </P>

Who plays lucy on the big bang theory