Details
- Season
- Season 11
- Episode
- S11xE11
- Air Date
- 14 December 2017
- Where to watch
Overview
The Big Bang Theory season 11, episode 11 — “The Celebration Reverberation” (S11xE11) first aired on 14 December 2017.
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.