Ryan Reynolds | Gemma Arterton | Jacki Weaver>

The Big Bang Theory 2007

- Season 11 Episode 11 - The Celebration Reverberation

Synopsis: The Celebration Reverberation: Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about.....
Aired: Dec 14, 2017