The Big Bang Theory
Season 11·EPISODE 11
The Celebration Reverberation
WatchedS11 · E11
Raj and Howard's feud continues as the gang plan Halley's first birthday party. Sheldon's surprise for Amy's birthday goes awry when they get food poisoning. Also, Leonard gets a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.
AIR DATEDec 14, 2017Original broadcast date
RUNTIME20m20 minutes
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