The Big Bang Theory
Season 5
24 episodes
-
S05E01 The Skank Reflex Analysis
Penny worries that she's screwed things up permanently with her friends, while Sheldon takes command of the paintball team.
-
S05E02 The Infestation Hypothesis
Fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
-
S05E03 The Pulled Groin Extrapolation
Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.
-
S05E04 The Wiggly Finger Catalyst
Raj finally meets a girl he can communicate with.
-
S05E05 The Russian Rocket Reaction
Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.
-
S05E06 The Rhinitis Revelation
Sheldon competes with the gang for his mother's attention when she comes to visit.
-
S05E07 The Good Guy Fluctuation
Cute comic book artist puts Leonard and Priya's relationship to the test, while Sheldon tries to scare the guys for Halloween.
-
S05E08 The Isolation Permutation
Amy is crushed when Bernadette and Penny go shopping for wedding dresses without her.
-
S05E09 The Ornithophobia Diffusion
Leonard and Penny try hanging out alone, and Sheldon must overcome his fear of birds.
-
S05E10 The Flaming Spittoon Acquisition
Sheldon considers taking his relationship with Amy to the next level when Stuart from the comic book store asks her out on a date.
-
S05E11 The Speckerman Recurrence
Leonard must face his fears after being contacted by his high school tormentor.
-
S05E12 The Shiny Trinket Maneuver
Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children.
-
S05E13 The Recombination Hypothesis
Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two.
-
S05E14 The Beta Test Initiation
Leonard and Penny experiment with dating, while Raj develops a peculiar relationship with his phone's virtual assistant.
-
S05E15 The Friendship Contraction
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
-
S05E16 The Vacation Solution
When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab. Meanwhile, Bernadette wants Howard to sign a pre-nup.
-
S05E17 The Rothman Disintegration
When an office at the University opens up, Sheldon must compete for it with his archenemy, Kripke. Meanwhile, a gift from Amy makes Penny uncomfortable.
-
S05E18 The Werewolf Transformation
Sheldon's life is turned upside-down after his barber gets sick. Meanwhile, astronaut training causes Wolowitz to rethink his decision to go into space.
-
S05E19 The Weekend Vortex
Sheldon chooses to play video games with the guys rather than go with Amy to her aunt's birthday party.
-
S05E20 The Transporter Malfunction
Penny buys Leonard and Sheldon "Star Trek" collectibles as a thank-you, leading Sheldon to be haunted by Mr. Spock. Meanwhile, Raj decides he has met the "Future Mrs. Koothrappali" after his parents set him up on a date.
-
S05E21 The Hawking Excitation
When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.
-
S05E22 The Stag Convergence
Bernadette reconsiders marrying Howard after learning about his sexual history.
-
S05E23 The Launch Acceleration
NASA reschedules Howard's mission, putting his and Bernadette's wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom.
-
S05E24 The Countdown Reflection
When Howard and Bernadette decide they want to be married before his NASA launch, the gang rushes to put on a wedding.
More from the 2000s.