The Big Bang Theory (TV Series)

The Toast Derivation (2011)

Brian Thomas Smith: Zack Johnson

Photos 

Quotes 

• [Sheldon's guests are singing karaoke. All have been drinking, and Stuart is still in towels from taking a shower] 

  Stuart , Kripke , Zack : [singing]  I'm walking on sunshine... who-oo...

  Levar Burton : [arrives at party late, and enters]  Hello, I...

  Levar Burton : [Sees strange guests and backs out of doorway]  Oh, I don't think so...

  Levar Burton : [walking down stairs]  I am so done with Twitter.

• Sheldon Cooper : Jacuzzi is a commercial brand, hot tub is the generic term, i.e., all Jacuzzis are hot tubs, but not all hot tubs are Jacuzzis.

  Zack : Is that like all thumbs are fingers, but not all fingers are thumbs?

  Sheldon Cooper : Surprisingly, yes.

  Zack : Nice. Now, what exactly are toes?