Watch The Big Bang Theory Season 3 Episode 23 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S3E23 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.

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Episode Details

Blossom alert! Former sitcom star Mayim Bialik guest stars on the season finale as a potential love interest for Sheldon.

Rating: 4.7 / 5.0 (66 Votes)
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The Big Bang Theory Season 3 Episode 23 Quotes

Don't worry about the moon. We set our laser to "stun."


Sheldon: I should have brought an umbrella.
Leonard: What for? It's not gonna rain.
Sheldon: I know that, but with skin as fair as mine, moon burn is a real possibility.