An interesting thing about stairs
Sheldon playing with his Train
Love this one!
How many likes for Sheldon?
Season 2, Episode 3, "The Barbarian Sublimation"
Knock Knock Knock, Penny!
Penny:It's actually kind of nice. You reading, me reading. We're like an old married couple.
Sheldon: If we were an old married couple, the wife would serve iced tea...
Season 5 Episode 02 – The Infestation Hypothesis