Guest Star: Bob Newhart

Bob Newhart

Bob Newhart is an American stand-up comedian and actor known for his deadpan delivery and slight stammer. As an actor he is best known for his sitcoms The Bob Newhart Show and Newhart. In recent years, Newhart has made guest appearances on shows including ER, Desperate Housewives and NCIS. 

Bob Newhart won the first Emmy award of his five-decade career for his appearance as Arthur Jeffries, "Professor Proton", in The Big Bang Theory episode "The Proton Resurgence".

You are viewing a list of Bob Newhart's 4 appearances on The Big Bang Theory.

  • The Proton Resurgence

    Season 6, Episode 22 - The Proton Resurgence
    Aired May 2, 2013

    When Sheldon discovers his childhood hero, Professor Proton - a former TV science show host, is available for children's parties, Sheldon and Leonard hire him to perform for them. Meanwhile, Howard and Bernadette take care of Raj's dog.

    Appeared as Professor Proton - Arthur Jeffries

  • The Proton Displacement

    Season 7, Episode 7 - The Proton Displacement
    Aired November 7, 2013

    Sheldon feels snubbed when his idol, Professor Proton, seeks Leonard's help for a science paper instead of his. Sheldon gets his revenge by befriending rival science icon Bill Nye. Meanwhile, Howard's presence at girls' night irritates Raj, who feels he can only be himself around the girls.

    Appeared as Professor Proton - Arthur Jeffries

  • The Proton Transmogrification

    Season 7, Episode 22 - The Proton Transmogrification
    Aired May 1, 2014

    Professor Proton delivers Sheldon a lesson in coping with grief when he suffers a loss just as "Star Wars Day" approaches. Meanwhile, a reflective Leonard and Penny get competitive with proposals to change their relationship, and Amy and Bernadette work on a Star Wars-themed gift for the guys' celebration.

    Appeared as Professor Proton - Arthur Jeffries

  • The Opening Night Excitation

    Season 9, Episode 11 - The Opening Night Excitation
    Aired December 17, 2015

    After more than five years of dating, Sheldon and Amy spend their first night together. Also, Leonard, Wolowitz, and Koothrappali must decide who will take their extra Star Wars movie ticket.

    Appeared as Professor Proton - Arthur Jeffries

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