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
S6, EP18 "The Contractual Obligation Implementation"Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.
The Big Bang Theory
S6, EP19 "The Closet Reconfiguration"Howard considers whether he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.
The Big Bang Theory
S11, EP20 "The Reclusive Potential"A brilliant but reclusive scientist, Doctor Wolcott, invites Sheldon to his cabin in the middle of nowhere; Penny and Bernadette improvise after Amy doesn't like the tame bachelorette party they planned for her.
The Big Bang Theory
S11, EP21 "The Comet Polarization"Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
The Big Bang Theory
S12, EP24 "The Stockholm Syndrome"Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.
The Big Bang Theory
S12, EP16 "The D & D Vortex"The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.
The Big Bang Theory
S12, EP2 "The Wedding Gift Wormhole"Sheldon and Amy go crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding; Koothrappali decides to settle down and asks his father to arrange a marriage for him.
