Guest Star: Brian Posehn

You are viewing a list of Brian Posehn's 5 appearances on The Big Bang Theory.

  • The Contractual Obligation Implementation

    Season 6, Episode 18 - The Contractual Obligation Implementation
    Aired March 7, 2013

    Leonard, Sheldon and Howard visit Howard's old school to speak to junior high girls about careers in science. Meanwhile, Raj plans his first formal date with Lucy, while the girls visit Disneyland and dress up as Disney princesses.

    Appeared as Bert

  • The Occupation Recalibration

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

    When Sheldon is forced by the university to use his vacation time, he struggles to fill time. Meanwhile, Leonard tries to support Penny after she decides to quit her waitressing job to focus on her acting career, and Bernadette needs Stuart's help tracking down a comic book after she accidentally destroys Howard's copy.

    Appeared as Bert

  • The Dependence Transcendence

    Season 10, Episode 3 - The Dependence Transcendence
    Aired October 3, 2016

    Tensions rise when the boys struggle to complete their government project on time and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a "party" at Bert the geologist's house, and Kooothrappali learns Bernadette's true feelings about her pregnancy when they clean out the future baby room.

    Appeared as Bert

  • The Fetal Kick Catalyst

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

    Penny is surprised to learn she has fans of her performance in "Serial Ape-ist" when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny's apartment and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way.

    Appeared as Bert

  • The Geology Elevation

    Season 10, Episode 9 - The Geology Elevation
    Aired November 17, 2016

    When Bert, a Caltech geologist, wins the MacArthur Genius fellowship, Sheldon is overcome with jealousy. Also, Wolowitz finds an old remote control Stephen Hawking action figure he invented.

    Appeared as Bert

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