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.
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The Big Bang Theory
S8, EP19 "The Skywalker Incursion"When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of ping pong.
The Big Bang Theory
S8, EP20 "The Fortification Implementation"Sheldon and Amy build a blanket fort -- and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.
The Big Bang Theory
S8, EP21 "The Communication Deterioration"The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.
The Big Bang Theory
S8, EP22 "The Graduation Transmission"Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.
The Big Bang Theory
S10, EP6 "The Fetal Kick Catalyst"Penny learns there are fans of her performance in "Serial Ape-ist" when she and Leonard attend a Comic Con event; Amy hosts a brunch at Penny's apartment; Wolowitz makes an impulsive purchase.
The Big Bang Theory
S10, EP5 "The Hot Tub Contamination"Things do not run smoothly when Amy moves in with Sheldon, and Leonard and Penny have to intervene; Howard and Bernadette find unexpected guests at their house when they decide to cancel their vacation plans.
The Big Bang Theory
S10, EP4 "The Cohabitation Experimentation"After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.
The Big Bang Theory
S10, EP3 "The Dependence Transcendence"Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feelings about her pregnancy.
