Rock Paper Scissors Lizard Spock

Rock Paper Scissors Lizard Spock

Rock Paper Scissors Lizard Spock is an extension of the classic game of chance, Rock Paper Scissors, created by Sam Kass and Karen Bryla. Sam Kass explains he created the expanded game because it seemed like most games of Rock Paper Scissors with people you know would end in a tie.

Rock Paper Scissors Lizard Spock was first mentioned in the Season 2 episode, The Lizard-Spock Expansion, the title of which references the game. It was last mentioned in The Rothman Disintegration.

As Sheldon explains, "Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and as it always has, rock crushes scissors."

Featured in these episodes:

  • Season 2, Episode 8 - The Lizard-Spock Expansion

    When Sheldon and Raj can't agree about what to watch on TV, with Sheldon favoring Saturn 3 and Raj wanting to watch Deep Space Nine, Raj suggests they settle it with a game of Rock Paper Scissors. Sheldon thinks they should play Rock Paper Scissors Lizard Spock instead, as there is a lower chance that the game will end in a tie.

    This title of this episode, The Lizard-Spock Expansion, references the game and its mention by Sheldon.

  • Season 2, Episode 20 - The Hofstadter Isotope

    Rock Paper Scissors Lizard Spock is briefly mentioned by Howard as he and Sheldon argue over who should get a Batman comic they both need for their collections.

  • Season 5, Episode 17 - The Rothman Disintegration

    As Sheldon and Barry Kripke argue over who should get Professor Rothman's vacated office, Raj suggests they settle it with a game of Rock Paper Scissors Lizard Spock. Barry Kripke has never heard of it so Sheldon explains the rules to him. To torment him, Kripke asks Sheldon to explain the rules again and again.