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The Big Bang Theory: Season Five
The Big Bang TheoryEpisode 01: "The Skank Reflex Analysis" On the fifth season premiere, Penny worries that she's screwed things up permanently with her friends after her night with Raj, while Sheldon takes command of the paintball team. The Big Bang TheoryEpisode 02: "The Infestation Hypothesis" A battle of wills between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya The Big Bang TheoryEpisode 03: "The Pulled Groin Extrapolation" Attending a co-worker's wedding, Leonard and Amy (MAYIM BIALIK) get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz! The Big Bang TheoryEpisode 04: "The Wiggly Finger Catalyst" When Raj is upset he's the only one of the four guys who's not in a relationship, Penny sets out to find the perfect date, introducing him to Emily, a girl he can actually talk to! The Big Bang TheoryEpisode 05: "The Russian Rocket Reaction" Sheldon and Leonard get invited to a housewarming party at WIL WHEATON's house; while Howard gets an out-of-this-world opportunity! The Big Bang TheoryEpisode 06: "The Rhinitis Revelation" Craving a little motherly love, Sheldon competes with the gang for his mother's attention when she comes to visit. LAURIE METCALF reprises her role as Sheldon's mother, Mary. The Big Bang TheoryEpisode 07: "The Good Guy Fluctuation" Attending a co-worker's wedding, Leonard and Amy (MAYIM BIALIK) get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz! The Big Bang TheoryEpisode 08: "The Isolation Permutation" Amy is heartbroken when Bernadette and Penny go shopping for wedding dresses without her. The Big Bang TheoryEpisode 09: "The Ornithophobia Diffusion" Can friends with benefits still be friends without? Leonard and Penny try hanging out alone, while Sheldon must overcome his fear of birds. The Big Bang TheoryEpisode 10: "The Flaming Spittoon Acquisition" Sheldon becomes jealous and considers taking his relationship with Amy to the next level when Stuart (guest star KEVIN SUSSMAN) from the comic book store asks her out on a date. The Big Bang TheoryEpisode 11: "The Speckerman Recurrence" Leonard must face his fears after being contacted by his high school tormentor (guest star LANCE BARBER), while Penny realizes that she might have been a bully herself. The Big Bang TheoryEpisode 12: "The Shiny Trinket Maneuver" Sheldon gets in trouble with Amy, and it's up to Penny to teach him how to be a better boyfriend. Howard, meanwhile, must come to grips with Bernadette's dislike of children. The Big Bang TheoryEpisode 13: "The Recombination Hypothesis" Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two on the 100th episode of the series. The Big Bang TheoryEpisode 14: "The Beta Test Initiation" Leonard and Penny experiment with dating again by "beta testing" their relationship, while Raj develops a peculiar relationship with his phone's virtual assistant. The Big Bang TheoryEpisode 15: "The Friendship Contraction" Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Howard tries to pick his astronaut nickname. NASA astronaut MIKE MASSIMINO guest stars. The Big Bang TheoryEpisode 16: "The Vacation Solution" When Sheldon is forced to take a vacation by the university, he goes to work with Amy in her neurobiology lab. Meanwhile, Bernadette wants Howard to sign a pre-nuptial agreement. The Big Bang TheoryEpisode 17: "The Rothman Disintegration" When a corner office at the University opens up, Sheldon must compete for it with his office nemesis, Barry Kripke. The Big Bang TheoryEpisode 18: "The Werewolf Transformation" A change in Sheldon's routine forces him to re-evaluate his entire life, when his barber is sick. Meanwhile, Howard rethinks his decision to go into space after astronaut training The Big Bang TheoryEpisode 19: "The Weekend Vortex" Sheldon chooses to participate in a guys-only weekend Star Wars gaming marathon rather than go with Amy to her aunt's birthday party... and gets a lesson from Penny and Amy. The Big Bang TheoryEpisode 20: "The Transporter Malfunction" It's a dream come true for Sheldon when he has a close encounter with his hero, Mr. Spock - legendary sci-fi icon LEONARD NIMOY. The Big Bang TheoryEpisode 21: "The Hawking Excitation" When Wolowitz gets tow work with world-renowned scientist STEPHEN HAWKING (guest starring as Himself), Sheldon is willing to do anything to meet his hero. The Big Bang TheoryEpisode 22: "The Stag Convergence" Howard's wedding plans are in jeopardy after the guys (and Wil Wheaton) throw him a bachelor party and details of his sexual history are leaked online. The Big Bang TheoryEpisode 23: "The Launch Acceleration" When NASA reschedules Howard's mission and puts his wedding plans in jeopardy, he's forced to face his fears and Bernadette's dad (guest star CASEY SANDER). The Big Bang TheoryEpisode 24: "The Countdown Reflection" When Howard and Bernadette decide they want to be married before his NASA space launch, the gang rushes to put on a wedding, on the fifth season finale.
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