Season 2, Episode 4

The Griffin Equivalency

7.6/ 10October 13, 200821 min

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Directed by
Mark Cendrowski
Written by
Chuck Lorre, Bill Prady, Tim Doyle

Guest stars

All episodes — Season 2

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  1. S2 E1

    The Bad Fish Paradigm

    Sep 22, 20087.922 min

    Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

  2. S2 E2

    The Codpiece Topology

    Sep 29, 20087.721 min

    A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.

  3. S2 E3

    The Barbarian Sublimation

    Oct 6, 2008821 min

    Sheldon creates a monster when he introduces Penny to online gaming.

  4. S2 E5

    The Euclid Alternative

    Oct 20, 20087.620 min

    Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

  5. S2 E6

    The Cooper-Nowitzki Theorem

    Nov 3, 20087.921 min

    Sheldon and the gang are confused when a young grad student is attracted to him.

  6. S2 E7

    The Panty Piñata Polarization

    Nov 10, 2008821 min

    When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.