Guest Star: Kevin Sussman

Kevin Sussman

Kevin Sussman is an American actor best known for his recurring roles as Stuart on The Big Bang Theory and as Walter on Ugly Betty.

Kevin Sussman has been a recurring cast member during the sixth and eighth seasons of The Big Bang Theory. View his cast biography

You are viewing a list of Kevin Sussman's 55 appearances on The Big Bang Theory.

  • The Hofstadter Isotope

    Season 2, Episode 20 - The Hofstadter Isotope
    Aired April 13, 2009

    When the guys take Penny with them to the comic book store, she meets Stuart, who asks her out on a date.

    Appeared as Stuart

  • The Big Bang Theory

    Season 2, Episode 22 - The Classified Materials Turbulence
    Aired May 4, 2009

    As Stuart prepares to go on a second date with Penny, he reaches out to Leonard for advice.

    Appeared as Stuart

  • The Creepy Candy Coating Corollary

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

    When Stuart hosts a Mystic Warlords of Ka'a tournament at the comic book store, Sheldon is determined to exact vengeance on Stuart's playing mate, Wil Wheaton.

    Appeared as Stuart

  • The Guitarist Amplification

    Season 3, Episode 7 - The Guitarist Amplification
    Aired November 9, 2009

    When Leonard and Penny's fighting upsets Sheldon, he finds shelter at Stuart's comic book store.

    Appeared as Stuart

  • The Excelsior Acquisition

    Season 3, Episode 16 - The Excelsior Acquisition
    Aired March 1, 2010

    Sheldon and the guys are excited to learn that Stuart has arranged for comic book legend Stan Lee to sign autographs at the store.

    Appeared as Stuart

  • The Wheaton Recurrence

    Season 3, Episode 19 - The Wheaton Recurrence
    Aired April 12, 2010

    When the guys take part in a bowling match against Stuart, his choice of teammate rankles Sheldon and has unexpected consequences for Leonard and Penny's relationship.

    Appeared as Stuart

  • The Desperation Emanation

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

    As Leonard feels bad about being single, he finds out that not only do all his friends have girlfriends (or, in Sheldon's case, a girl who is a friend), but Stuart from the comic book store is also dating someone.

    Appeared as Stuart

  • The Justice League Recombination

    Season 4, Episode 11 - The Justice League Recombination
    Aired December 16, 2010

    When Stuart hosts a New Year's Eve costume party at the comic book store, the guys hope the addition of Penny and her boyfriend Zack will give their Justice League the chance to finally win.

    Appeared as Stuart

  • The Toast Derivation

    Season 4, Episode 17 - The Toast Derivation
    Aired February 24, 2011

    When Sheldon forms his own social group because his friends are hanging out at Raj and Priya's apartment, Stuart joins Sheldon's group for the evening - though he's more interested in getting a hot shower.

    Appeared as Stuart

  • The Russian Rocket Reaction

    Season 5, Episode 5 - The Russian Rocket Reaction
    Aired October 13, 2011

    When Leonard and Sheldon decide to start a fantasy sword collection with a Game of Thrones collectible, Leonard plays the bad cop as he haggles with Stuart.

    Appeared as Stuart

  • The Good Guy Fluctuation

    Season 5, Episode 7 - The Good Guy Fluctuation
    Aired October 27, 2011

    When Leonard chats with an attractive woman at the comic book store, Stuart offers to put Leonard's picture up on the Wall of Heroes.

    Appeared as Stuart

  • The Flaming Spittoon Acquisition

    Season 5, Episode 10 - The Flaming Spittoon Acquisition
    Aired November 17, 2011

    When Amy visits the comic book store with Sheldon, Stuart takes an interest in Amy and subsequently asks her out.

    Appeared as Stuart

  • The Friendship Contraction

    Season 5, Episode 15 - The Friendship Contraction
    Aired February 2, 2012

    After his friendship with Leonard breaks down, Sheldon asks his ninth favorite person Stuart to take him to the dentist.

    Appeared as Stuart

  • The Weekend Vortex

    Season 5, Episode 19 - The Weekend Vortex
    Aired March 8, 2012

    Ahead of attending the ninety-third birthday of Amy's aunt, Sheldon goes to Stuart's comic book store to try find her a gift.

    Appeared as Stuart

  • The Stag Convergence

    Season 5, Episode 22 - The Stag Convergence
    Aired April 26, 2012

    When Stuart attends Howard's bachelor party, he laments the state of his finances.

    Appeared as Stuart

  • The Deception Verification

    Season 7, Episode 2 - The Deception Verification
    Aired September 26, 2013

    Sheldon visits Stuart's comic book store to find a welcome home gift for Leonard, but ends up buying something for himself.

    Appeared as Stuart

  • The Scavenger Vortex

    Season 7, Episode 3 - The Scavenger Vortex
    Aired October 3, 2013

    When Raj throws a scavenger hunt for the gang, he uses Stuart's store for one of the clues but doesn't think to include him in the activities.

    Appeared as Stuart

  • The Raiders Minimization

    Season 7, Episode 4 - The Raiders Minimization
    Aired October 10, 2013

    After Raj and Stuart join an online dating website and don't receive any interest, they try to meet people in the real world.

    Appeared as Stuart

  • The Cooper Extraction

    Season 7, Episode 11 - The Cooper Extraction
    Aired December 12, 2013

    Stuart joins the gang as they decorate the Christmas tree and think about what life would be like without Sheldon in their lives.

    Appeared as Stuart

  • The Hesitation Ramification

    Season 7, Episode 12 - The Hesitation Ramification
    Aired January 2, 2014

    Stuart is Raj's guest when the gang gathers in the apartment to watch Penny's big break on NCIS.

    Appeared as Stuart

  • The Occupation Recalibration

    Season 7, Episode 13 - The Occupation Recalibration
    Aired January 9, 2014

    After Bernadette accidentally destroys one of Howard's comic books, she goes to Stuart's store to find a replacement.

    Appeared as Stuart

  • The Mommy Observation

    Season 7, Episode 18 - The Mommy Observation
    Aired March 13, 2014

    Stuart spends the evening playing dead when Raj surprises the gang with another one of his murder mystery dinners.

    Appeared as Stuart

  • The Status Quo Combustion

    Season 7, Episode 24 - The Status Quo Combustion
    Aired May 15, 2014

    Stuart is devastated when his comic book store burns to the ground.

    Appeared as Stuart

  • The Leftover Thermalization

    Season 8, Episode 18 - The Leftover Thermalization
    Aired March 12, 2015

    After the refrigerator in Mrs. Wolowitz's old house loses power, Stuart joins the gang to celebrate Mrs. Wolowitz's life with a dinner featuring the last food she prepared.

    Appeared as Stuart

  • The Maternal Combustion

    Season 8, Episode 23 - The Maternal Combustion
    Aired April 30, 2015

    Bernadette is fed up of cleaning up after Howard, Stuart and Raj.

    Appeared as Stuart

  • The Commitment Determination

    Season 8, Episode 24 - The Commitment Determination
    Aired May 7, 2015

    Howard and Bernadette try to find a way to ask Stuart to move out of their house.

    Appeared as Stuart

  • The Matrimonial Momentum

    Season 9, Episode 1 - The Matrimonial Momentum
    Aired September 21, 2015

    Living with Howard and Bernadette, Stuart is there when the gang gathers to watch Leonard and Penny's wedding streamed on the Internet.

    Appeared as Stuart

  • The 2003 Approximation

    Season 9, Episode 4 - The 2003 Approximation
    Aired October 12, 2015

    Stuart is looking for live music to attract people to the comic book store so Howard and Raj offer to perform.

    Appeared as Stuart

  • The Perspiration Implementation

    Season 9, Episode 5 - The Perspiration Implementation
    Aired October 19, 2015

    Penny, Amy and Bernadette try to help Stuart attract more female shoppers to his comic book store.

    Appeared as Stuart

  • The Helium Insufficiency

    Season 9, Episode 6 - The Helium Insufficiency
    Aired October 26, 2015

    Stuart's success with a new dating app inspires Penny and Bernadette to try help Amy meet somebody new.

    Appeared as Stuart

  • The Sales Call Sublimation

    Season 9, Episode 12 - The Sales Call Sublimation
    Aired January 7, 2016

    When Stuart finally moves out of Howard and Bernadette's house, they realize they miss him.

    Appeared as Stuart

  • The Empathy Optimization

    Season 9, Episode 13 - The Empathy Optimization
    Aired January 14, 2016

    Stuart feels left out when Sheldon reveals that the gang are planning a road trip to Vegas that doesn't include him.

    Appeared as Stuart

  • The Celebration Experimentation

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

    When Stuart attends Sheldon's birthday party, he feels overlooked by the rest of the group.

    Appeared as Stuart

  • The Viewing Party Combustion

    Season 9, Episode 21 - The Viewing Party Combustion
    Aired April 21, 2016

    When Stuart turns up at the Game of Thrones party in costume, he falls out with Howard who tricked him into thinking it was a dress up party.

    Appeared as Stuart

  • The Line Substitution Solution

    Season 9, Episode 23 - The Line Substitution Solution
    Aired May 5, 2016

    Sheldon hires Stuart to spend time with Amy when he'd rather wait in line at the movie theater.

    Appeared as Stuart

  • The Conjugal Conjecture

    Season 10, Episode 1 - The Conjugal Conjecture
    Aired September 19, 2016

    When Stuart attends Leonard and Penny's wedding ceremony, he finds himself sitting uncomfortably between Leonard's bickering parents.

    Appeared as Stuart

  • The Hot Tub Contamination

    Season 10, Episode 5 - The Hot Tub Contamination
    Aired October 17, 2016

    When Howard and Bernadette are supposed to be away, Stuart sneaks into their garden to use their hot tub, only for Raj to show up with the same idea.

    Appeared as Stuart

  • The Fetal Kick Catalyst

    Season 10, Episode 6 - The Fetal Kick Catalyst
    Aired October 27, 2016

    When Amy and Sheldon throw a dinner party, Stuart is one of the guests.

    Appeared as Stuart

  • The Property Division Collision

    Season 10, Episode 10 - The Property Division Collision
    Aired December 1, 2016

    Stuart and Raj fight over who is providing the most help to the expectant couple, Howard and Bernadette.

    Appeared as Stuart

  • The Birthday Synchronicity

    Season 10, Episode 11 - The Birthday Synchronicity
    Aired December 15, 2016

    Stuart joins Raj as they head to the hospital with the expectant couple, Howard and Bernadette, who is in labor.

    Appeared as Stuart

  • The Holiday Summation

    Season 10, Episode 12 - The Holiday Summation
    Aired January 5, 2017

    Stuart helps Howard and Bernadette carry their baby's things to Apartment 4A when the gang meet up after the holidays.

    Appeared as Stuart

  • The Locomotion Reverberation

    Season 10, Episode 15 - The Locomotion Reverberation
    Aired February 9, 2017

    Stuart and Raj look after Howard and Bernadette's baby, Halley, while Bernadette enjoys a girls' night out and Howard works with the guys.

    Appeared as Stuart

  • The Comic-Con Conundrum

    Season 10, Episode 17 - The Comic-Con Conundrum
    Aired February 23, 2017

    When Sheldon decides he still wants to go to Comic-Con even though his friends aren't going this year, Stuart offers to go with Sheldon.

    Appeared as Stuart

  • The Escape Hatch Identification

    Season 10, Episode 18 - The Escape Hatch Identification
    Aired March 9, 2017

    When Raj loses his apartment and needs a place to say, Stuart makes sure Raj doesn't ruin the good thing he has going with Howard and Bernadette.

    Appeared as Stuart

  • The Recollection Dissipation

    Season 10, Episode 20 - The Recollection Dissipation
    Aired April 6, 2017

    Bernadette confides in Stuart that she's feeling conflicted about returning to work and leaving Halley at home.

    Appeared as Stuart

  • The Separation Agitation

    Season 10, Episode 21 - The Separation Agitation
    Aired April 13, 2017

    Before Bernadette's maternity leave comes to an end, Howard, Stuart, Halley and Bernadette take a family trip to the zoo.

    Appeared as Stuart

  • The Long Distance Dissonance

    Season 10, Episode 24 - The Long Distance Dissonance
    Aired May 11, 2017

    When the guys want to find out whether Ramona is romantically interested in Sheldon or not, Stuart offers to ask her out.

    Appeared as Stuart

  • The Proposal Proposal

    Season 11, Episode 1 - The Proposal Proposal
    Aired September 25, 2017

    Stuart is happy to learn that Howard and Bernadette's big news does not involve him moving out of their house.

    Appeared as Stuart

  • The Relaxation Integration

    Season 11, Episode 3 - The Relaxation Integration
    Aired October 9, 2017

    Stuart and Raj both take an interest in Bernadette's new co-worker, Ruchi.

    Appeared as Stuart

  • The Geology Methodology

    Season 11, Episode 7 - The Geology Methodology
    Aired November 9, 2017

    Raj breaks the news to Stuart that he and Ruchi are going out on a date. Despite his attraction to Ruchi, Stuart is supportive of Raj - partly because he expects Raj will eventually screw things up.

    Appeared as Stuart

  • The Bitcoin Entanglement

    Season 11, Episode 9 - The Bitcoin Entanglement
    Aired November 30, 2017

    When they guys discuss their search for their previously forgotten crypto-currency fortune at the comic book store, Stuart tries to get in on the action.

    Appeared as Stuart

  • The Confidence Erosion

    Season 11, Episode 10 - The Confidence Erosion
    Aired December 7, 2017

    After falling out with Raj, Howard goes to comic book store alone and chats with Stuart.

    Appeared as Stuart

  • The Celebration Reverberation

    Season 11, Episode 11 - The Celebration Reverberation
    Aired December 14, 2017

    As Sheldon plans a birthday celebration for Amy, Howard is looking forward to Halley's first birthday. Meanwhile, Leonard has the holiday blues when he receives a Christmas letter from his brother detailing his many accomplishments.

    Appeared as Stuart

  • The Matrimonial Metric

    Season 11, Episode 12 - The Matrimonial Metric
    Aired January 4, 2018

    When Sheldon and Amy out their friends through a series of secret experiments to determine who should be their best man and maid of honor, Penny's true feelings about Amy are revealed.

    Appeared as Stuart

  • The Novelization Correlation

    Season 11, Episode 15 - The Novelization Correlation
    Aired February 1, 2018

    Hans the Janitor in Leonard's novel looks a lot like Stuart with a mustache.

    Appeared as Stuart

Kevin Sussman has been a recurring cast member of The Big Bang Theory during the sixth and eighth seasons. The episodes for which he is credited as a cast member are not included on this list.

View Kevin Sussman's cast biography

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