Scheer also performed impressions of celebrities and public figures during her tenure on Mad TV, some of which included U.S. Attorney General Janet Reno, Demi Moore, Susan Sarandon, Kathy Griffin, Mary Tyler Moore, Melissa Joan Hart, Ashley Olsen, Candice Bergen, Fran Drescher, Shirley MacLaine, Emma Thompson, Frances Bavier, Irene Vernon, Ashley Judd and Barbara Feldon. Other impersonations include Barbra Streisand in the Mad TV spoof video "Terms Of Imprisonment", where she portrays Streisand as an egomaniac who abuses her co-star, Whitney Houston and Gillian Anderson's Dana Scully in the "XXX Files" sketch. During the second season, Scheer became visibly pregnant and continued to perform on the show. After giving birth, Scheer finished the second and third seasons before leaving in 1998.