Episode
The Big Bang Theory: The Friendship Algorithm
Overview
Sheldon creates a scientific procedure for making friends.
Details
- Series
- The Big Bang Theory
- Season
- Season 2
- Episode
- Episode 13
- Air date
- 2009-01-19
- Runtime
- 21 min
Episode context
The Friendship Algorithm is Episode 13 in Season 2 of The Big Bang Theory. It aired on 2009-01-19. The runtime is 21 min.
Previous / Next
Episode 12: The Killer Robot Instability
Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.
Episode 14: The Financial Permeability
Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.
More episodes from this season
Episode 11: The Bath Item Gift Hypothesis
Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
Episode 15: The Maternal Capacitance
Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
Episode 10: The Vartabedian Conundrum
Leonard asks Penny for advice when his new relationship starts moving too fast.
Episode 16: The Cushion Saturation
A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
Episode 9: The White Asparagus Triangulation
Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
Episode 17: The Terminator Decoupling
Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is on board the train they are taking to San Francisco.
Episode 8: The Lizard-Spock Expansion
Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
Episode 18: The Work Song Nanocluster
Penny's home business turns into a complete nightmare when Sheldon takes over.
Episode 7: The Panty Piñata Polarization
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
Episode 19: The Dead Hooker Juxtaposition
Penny squares off with a new beautiful female neighbor who may become the building's "new Penny."