Watch The Big Bang Theory Season 4 Episode 20 online via TV Fanatic with over 7 options to watch the The Big Bang Theory S4E20 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and TBS.

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Episode Details

Sheldon and Amy spread gossip this week. Elsewhere, Howard takes a big step in his relationship with Bernadette.


Rating: 4.5 / 5.0 (58 Votes)
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Episode Number:
20

The Big Bang Theory Season 4 Episode 20 Quotes

Amy: The meme has reached full penetration.
Sheldon: Pun intended?
Amy: No. Happy accident.

Amy: I should let you know that she asked for details about our dalliance.
Sheldon: Interesting. So it went beyond the mere fact of coitus to a "blow by blow" as it were.
Amy: Pun intended?
Sheldon: I'm sorry. What pun?