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Zack
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Zack (Character)
from "The Big Bang Theory" (2007)

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Photos (See all 14 | slideshow) Related Videos (see all 10)
The Big Bang Theory: :  -- Watch a scene from this week's episode of "The Big Bang Theory."
The Big Bang Theory: :  -- Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny. Also, the guys consider becoming part-owners in Stuart's comic book store. Watch a scene from an episode of "The Big Bang Theory.":
The Big Bang Theory: :  -- Watch a scene from the season premiere of "The Big Bang Theory".
The Big Bang Theory: Season 6: Episode 19 -- See a clip from an episode of "The Big Bang Theory"!
The Big Bang Theory: Season 6: Episode 18 -- Watch a scene from this week's episode of "The Big Bang Theory"!

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Overview

Biography:
Zack Johnson is Penny's sometimes boyfriend who is friendly but dumb as a post... See more »
Alternate Names:
Zack Johnson

Filmography

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  1. "The Big Bang Theory"
    ... aka "TBBT" - USA (short title)
        - The Cognition Regeneration (2017) TV episode, Played by Brian Thomas Smith (as Zack Johnson)
        - The Fermentation Bifurcation (2016) TV episode, Played by Brian Thomas Smith (as Zack Johnson)
        - The Cooper Extraction (2013) TV episode, Played by Brian Thomas Smith (as Zack Johnson)
        - The Thanksgiving Decoupling (2013) TV episode, Played by Brian Thomas Smith (as Zack Johnson)
        - The Toast Derivation (2011) TV episode, Played by Brian Thomas Smith (as Zack Johnson)
          (3 more)

Additional Details

Genres:

Fun Stuff

Quotes:
From "The Big Bang Theory: The Toast Derivation (#4.17)" (2011)
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?
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