Watch S9, EP17: The Celebration Experimentation with Fubo for $0 Today
For the first time in nine years, the gang celebrates Sheldon's birthday -- surprising him with a special guest.
For the first time in nine years, the gang celebrates Sheldon's birthday -- surprising him with a special guest.
More episodes
The Big Bang Theory
S9, EP19 "The Solder Excursion Diversion"Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.
The Big Bang Theory
S2, EP14 "The Financial Permeability"Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
The Big Bang Theory
S2, EP15 "The Maternal Capacitance"Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).
The Big Bang Theory
S2, EP16 "The Cushion Saturation"A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
The Big Bang Theory
S12, EP22 "The Maternal Conclusion"Leonard is pleasantly surprised when Beverly comes to visit, and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.
