Reposted from Joe K's Facebook...

[ariaste]

Rock Paper Scissors Lizard Spock!!!

http://www.cbs.com/primetime/big_bang_theory/video/video.php?cid=501654023&pid=QRndPGUUpkQBvP0yqqpxOzEHNQM7TJmM&play=true&cc=2

Comments

[solarmus]

I've been tempted to acquire this t-shirt for a while:

http://3.bp.blogspot.com/_wyKexApG2uI/SYGx9aNa7ZI/AAAAAAAACb0/lODuw8N5bzE/s1600-h/b597_rock_paper_scissors_lizard_spock.jpg

[ariaste]

ThinkGeek has it.