The Extract Obliteration

Nov 01, 2012 on CBS at 8:00 PM
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Summary

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Previous episode

The Holographic Excitation
Season 6 Episode 5

Oct 25, 2012

Next episode

The Habitation Configuration
Season 6 Episode 7

Nov 08, 2012

Guest stars

Stephen Hawking