The Big Bang Theory · SEASON 11
The Celebration Reverberation
Episode 11 · 2017-12-14

- Comedy
Episode overview
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.
20 minutes
Season 11 episodes
1. The Proposal Proposal2017-09-25
2. The Retraction Reaction2017-10-02
3. The Relaxation Integration2017-10-09
4. The Explosion Implosion2017-10-16
5. The Collaboration Contamination2017-10-23
6. The Proton Regeneration2017-11-02
7. The Geology Methodology2017-11-09
8. The Tesla Recoil2017-11-16
9. The Bitcoin Entanglement2017-11-30
10. The Confidence Erosion2017-12-07
11. The Celebration Reverberation2017-12-14
12. The Matrimonial Metric2018-01-04
13. The Solo Oscillation2018-01-11
14. The Separation Triangulation2018-01-18
15. The Novelization Correlation2018-02-01
16. The Neonatal Nomenclature2018-03-01
17. The Athenaeum Allocation2018-03-08
18. The Gates Excitation2018-03-29
19. The Tenant Disassociation2018-04-05
20. The Reclusive Potential2018-04-12
21. The Comet Polarization2018-04-19
22. The Monetary Insufficiency2018-04-26
23. The Sibling Realignment2018-05-03
24. The Bow Tie Asymmetry2018-05-10