Four friends on a red sofa throw hand signs over a coffee table of popcorn, one making the split-fingered Vulcan salute, in pixel art.

Original artwork, not a still

Sheldon Cooper

Rock, paper, scissors, lizard, Spock.

— The Big Bang Theory

Behind the line

What it means

Our interpretation.

Sheldon's solution to a game that ends in too many ties is geek problem-solving at its purest: if the system fails, add rules. Pairing a lizard with Spock turned a playground game into a catchphrase and a staple of fan events. The nod to Star Trek gives the line an extra layer for the fandom the show lives in.

Context reviewed

In context

Spoilers for The Big Bang TheoryShow the scene

The expanded game debuts in "The Lizard-Spock Expansion" (season 2, episode 8, November 17, 2008). Sheldon and Raj cannot agree on what to watch on television, so Sheldon proposes settling it with an upgraded rock paper scissors that adds lizard and Spock, and he rattles off the rules. The game itself was created by Sam Kass with Karen Bryla; the show later names Kass as its creator in "The Rothman Disintegration", where Sheldon explains the rules to Penny and Barry Kripke.

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