Guest Star: Melissa Rauch

Melissa Rauch is an American actress and comedian best known for her role as Bernadette Rostenkowski on The Big Bang Theory.

Melissa Rauch joined the cast of The Big Bang Theory during its fourth season. This page only lists the episodes for which she was credited as a guest star.

You are viewing a list of Melissa Rauch's 10 appearances on The Big Bang Theory.

  • The Creepy Candy Coating Corollary

    The Creepy Candy Coating Corollary
    Season 3, Episode 5 - Aired October 19, 2009

    When Raj and Sheldon enter a Mystic Warlords of Ka'a tournament at Stuart's comic book store, Sheldon gets the opportunity to settle an old score with his nemesis, Star Trek: The Next Generation's Wil Wheaton. Meanwhile, Leonard regrets a pact he once made with Wolowitz when he must ask Penny to set him up with one of her friends.

    Appeared as Bernadette

  • The Vengeance Formulation

    The Vengeance Formulation
    Season 3, Episode 9 - Aired November 23, 2009

    When Barry Kripke pulls a prank on Sheldon which embarrasses him on national radio, Sheldon vows revenge. Meanwhile, Howard tries to keep his new relationship with Bernadette going.

    Appeared as Bernadette

  • The Gorilla Experiment

    The Gorilla Experiment
    Season 3, Episode 10 - Aired December 7, 2009

    When Penny wants to learn more about Leonard's work, she turns to Sheldon for lessons. Sheldon views the opportunity to teach Penny rudimentary physics as an experiment, but his teaching style quickly brings Penny to tears. Meanwhile, Howard gets jealous after his girlfriend Bernadette also takes an interest in Leonard's research.

    Appeared as Bernadette

  • The Psychic Vortex

    The Psychic Vortex
    Season 3, Episode 12 - Aired January 11, 2010

    Raj enlists Sheldon as his wingman when they attend a university mixer together. When Sheldon and Raj both meet girls at the party, Sheldon's "date" is in for a unique evening as he is oblivious to her advances. Meanwhile, on a double date with Howard and Bernadette, Leonard and Penny argue after he ridicules her belief in psychics.

    Appeared as Bernadette

  • The Einstein Approximation

    The Einstein Approximation
    Season 3, Episode 14 - Aired February 1, 2010

    When Sheldon's struggle with a physics problem keeps him awake for days on end, he decides to free his mind by taking a menial job. After failing to find gainful employment anywhere else, Sheldon starts work at the Cheesecake Factory with Penny.

    Appeared as Bernadette

  • The Hot Troll Deviation

    The Hot Troll Deviation
    Season 4, Episode 4 - Aired October 14, 2010

    Howard is embarrassed when the creepy reason behind his break-up with Bernadette is revealed. Meanwhile, a spat between Sheldon and Raj gets ugly as they engage in office warfare.

    Appeared as Bernadette

  • The Desperation Emanation

    The Desperation Emanation
    Season 4, Episode 5 - Aired October 21, 2010

    When Leonard realizes he's the only one without a girlfriend, in a group that includes Sheldon, he asks Howard to set him up with one of Bernadette's friends. Meanwhile, Sheldon is trying to lose his "girlfriend", Amy Farrah Fowler, after he misunderstands her request for him to meet her mother.

    Appeared as Bernadette

  • The 21-Second Excitation

    The 21-Second Excitation
    Season 4, Episode 8 - Aired November 11, 2010

    The guys camp out to attend a screening of Raiders of the Lost Ark featuring 21 seconds of never-before-seen footage. When the guys find themselves at the back of the line, Sheldon is given another reason to hate his nemesis Wil Wheaton. Meanwhile, Penny's girl night with Bernadette turns into a slumber party when Amy invites herself along.

    Appeared as Bernadette

  • The Boyfriend Complexity

    The Boyfriend Complexity
    Season 4, Episode 9 - Aired November 18, 2010

    Penny's dad is in town and Leonard is confused when Penny starts acting romantic with him. Penny asks Leonard to lie to her father and pretend they are still in a relationship. Meanwhile, Howard, Raj and Bernadette spend the night monitoring a telescope in the astrophysics lab, but the night takes an awkward turn when Raj starts drinking.

    Appeared as Bernadette

  • The Alien Parasite Hypothesis

    The Alien Parasite Hypothesis
    Season 4, Episode 10 - Aired December 9, 2010

    Amy is confused by an unusual sensation she felt in the presence of Penny's ex, Zack. With Sheldon's help, Amy realizes she was experiencing feelings of sexual arousal, so Sheldon sets out to help satisfy her needs. Meanwhile, Howard and Raj battle to find out who is the superhero and who is the sidekick in their friendship.

    Appeared as Bernadette

Melissa Rauch joined The Big Bang Theory as a cast member during the show's fourth season. This list only contains the episodes in which she appeared as a guest star.

View Melissa Rauch's cast biography

 Search for Melissa Rauch on IMDB