The Spaghetti Catalyst

May 03, 2010 on CBS at 8:00 PM

Summary

When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.

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The Wheaton Recurrence
Season 3 Episode 19

Apr 12, 2010

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The Plimpton Stimulation
Season 3 Episode 21

May 10, 2010