Guest Star: Sara Gilbert

Sara Gilbert is an American actress and television personality best known for her role as Darlene Conner on the long-running ABC sitcom Roseanne. Gilbert worked along side The Big Bang Theory's Johnny Galecki on Roseanne, where he played the boyfriend of her character Darlene Connor.

You are viewing a list of Sara Gilbert's 6 appearances on The Big Bang Theory.

  • The Fuzzy Boots Corollary

    The Fuzzy Boots Corollary
    Season 1, Episode 3 - Aired October 8, 2007

    Leonard's hopes of a relationship with Penny are dashed when he sees her kiss another guy, so he decides to ask his colleague Leslie Winkle out. When Leslie is uninterested in going out with Leonard, he feels dejected and thinks about getting a cat. In an attempt to buoy Leonard's spirits, and stop him getting a cat, Sheldon encourages Leonard to ask Penny out on a date.

    Appeared as Leslie Winkle

  • The Hamburger Postulate

    The Hamburger Postulate
    Season 1, Episode 5 - Aired October 22, 2007

    Leonard is seduced by Leslie Winkle but she only wants a one night stand. Leonard is concerned his dalliance with Leslie will affect his chances with Penny.

    Appeared as Leslie Winkle

  • The Bat Jar Conjecture

    The Bat Jar Conjecture
    Season 1, Episode 13 - Aired April 21, 2008

    The guys enter the college's Physics Bowl tournament, but Sheldon's inability to be a team player gets him thrown off the team. Sheldon decides to enter his own team, while the guys recruit Sheldon's nemesis, Leslie Winkle. 

    Appeared as Leslie Winkle

  • The Cushion Saturation

    The Cushion Saturation
    Season 2, Episode 16 - Aired March 2, 2009

    Sheldon's world is turned upside down when Penny damages his "spot" by accidentally shooting a paintball gun at his prized couch cushion. Penny and Leonard struggle to help a difficult Sheldon through this testing time. Meanwhile, Wolowitz and Leslie Winkle start dating after a paintballing encounter of their own.

    Appeared as Leslie Winkle

  • The Lunar Excitation

    The Lunar Excitation
    Season 3, Episode 23 - Aired May 24, 2010

    After Penny grows tired of her dim-witted date, she worries that dating Leonard has ruined her for dating normal guys. Meanwhile, Wolowitz and Koothrappali conspire to find Sheldon's perfect match online.

    Appeared as Leslie Winkle

  • The Celebration Experimentation

    The Celebration Experimentation
    Season 9, Episode 17 - Aired February 25, 2016

    After more than nine years together, the gang finally celebrates Sheldon's birthday, surprising him with a special guest, on the 200th episode of The Big Bang Theory.

    Appeared as Leslie Winkle

Sara Gilbert was a cast member of The Big Bang Theory during the second season. The episodes for which she is credited as a cast member do not appear on this list.

 Search for Sara Gilbert on IMDB