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.
How to watch
More episodes
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 feeling about her pregnancy.
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, 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, 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.
