In 2005 and 2006 she performed in the New York Comedy Festival, and in 2007 HBO's U.S. Comedy Arts Festival in Aspen, Colorado. Yi's film debut was on June 1 2007 in Judd Apatow's 2007 film, Knocked Up.
|2006||Help Me Help You||Charlyne||1 episode, "The Sheriff"|
|2007||30 Rock||Grace||1 episode, "The C Word"|
|Cold Case||Dorky Girl||1 episode, "Stand Up and Holler"|
|2008||Miss Guided||Karey||1 episode, "Pool Party"|