Apartment 4B

Apartment 4B
Background information
Television programs	The Big Bang Theory
Other information
Location	The Apartment Building
Owners	Penny Hofstadter (formerly; moved out), Sheldon Cooper (currently),
Inhabitants	Penny Hofstadter (formerly), Sheldon Cooper (currently), Amy Farrah Fowler (currently),
Visitors	Leonard Hofstadter, Sheldon Cooper, Howard Wolowitz, Rajesh Koothrappali, Bernadette Rostenkowski-Wolowitz, Amy Farrah Fowler, Stuart Bloom,

Apartment 4B is Penny's former and now Sheldon's and Amy's apartment and the secondary setting for The Big Bang Theory. She lived alone in the apartment until her husband Leonard moved in, but they still spend most of their nights in Apartment 4A due to Sheldon having had a hard time with Leonard moving out. It is located on the fourth floor of the Building at 2311 North Los Robles Avenue, Pasadena, California. When viewed from the satellite photographs in "The Countdown Reflection" episode it appears to be located at 215 South Madison Avenue. It is most well known as being located directly across the hallway from Apartment 4A, which is the apartment that Sheldon lives in and in which Leonard also used to live in with Sheldon as roommates though the married couple spent many nights there. Sheldon and Amy used it for a five-week experiment in living together and then formally moved in together.

Layout

4B is a smaller apartment than its counterpart across the hall, having only a single bedroom instead of two; however, like its counterpart across the hall, it has an open floor plan where the living room and the kitchen are part of the same room. Also like 4A, the apartment is entered into the living room through the hallway. The right wall has a single door that leads into Penny's bedroom. Continuing along the wall is a large window with her kitchen table by it. The bathroom in the apartment is located through her bedroom, and is the only way to access the bathroom.

The wall on the left immediately after you enter the apartment is not visible, as it is the view into the apartment when episodes are being filmed. The wall houses Penny's TV and entertainment center and her portrait of her and Amy Farrah Fowler, and ends at the kitchen area.

In Penny's kitchen, there is an island with chairs as well as a small window over the sink.

History

Apartment 4B is first seen in the pilot, upon meeting Penny, who is the newest tenant in the building. We also find out that the former occupant of 4B was "a 200 pound transvestite with a skin condition". This former occupant's name was revealed as Louie/Louise in the following episode called The Big Bran Hypothesis. The Big Bran Hypothesis also gives us the first view inside the apartment, in which Sheldon and Leonard help move in a media set while Penny is at work. Sheldon describes Louie/Louise as being cleaner than Penny, having helped him run cable for a web-cam while he lived there.

Trivia Note: When Leonard first sees Penny through the doorway in the Pilot, the kitchen should be visible, but is not. Only the coffee table that is still in front of her couch can be seen in her full apartment set.

Apperances

Penny's Apartment is featured in several episodes:

• Pilot - Only seen briefly.
• The Big Bran Hypothesis - Sheldon cleans her apartment which freaks Penny out.
• The Grasshopper Experiment - Penny mixes drinks where Raj is able to talk to her for the first time by being drunk.
• The Peanut Reaction - Preparing for Leonard's birthday party.
• The Tangerine Factor - Penny's breakup with Mike/Leonard's help/also talking to Sheldon.
• The Barbarian Sublimation - Penny plays Age of Conan and becomes hooked on it.
• The White Asparagus Triangulation - Sheldon questions Penny.
• The Bath Item Gift Hypothesis - Leonard is angry about David Underhill.
• The Killer Robot Instability - Leonard begs Penny to talk to and forgive Howard, who is a hermit, and wouldn't leave his house.
• The Financial Permeability - Penny's financial crisis/electricity has been cut off as a result.
• The Maternal Capacitance - Penny and Leonard try to avoid Leonard's mother.
• The Work Song Nanocluster - Penny starts a business making Penny Blossoms.
• The Hofstadter Isotope - Sheldon & Stuart argue over Batman's replacement.
• The Vegas Renormalization - Sheldon locks himself out of his apartment.

External links

• Apartment 4B on The Big Bang Theory Wiki

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Media The Big Bang Theory • Young Sheldon • Video Characters Main Characters: Leonard Hofstadter • Sheldon Cooper • Penny Hofstadter • Howard Wolowitz • Rajesh Koothrappali • Amy Farrah Fowler • Bernadette Rostenkowski-Wolowitz • Stuart Bloom • Emily Sweeney • Leslie Winkle Recurring Characters: Barry Kripke • Wil Wheaton • Althea • Kurt • Eric Gablehauser • Mary Cooper • Debbie Wolowitz • V.M. Koothrappali • Mrs. Koothrappali • Mike • Stephanie Barnett • Beverley Hofstadter • President Siebert • Zack Johnson • Priya Koothrappali • Wyatt • Mike Rostenkowski • Mrs. Rostenkowski • Alex Jensen • Janine Davis • Lucy • Professor Proton • David Gibbs • Claire • Stephen Hawking • Alfred Hofstadter • Colonel Richard Williams • Denise Minor Characters: Christy Vanderbel • Lalita Gupta • Toby Loobenfeld • Dennis Kim • Dimitri • Missy Cooper • Blain • Tom • Octavia • Maria • Lourdes • Ramona Nowitzki • Kathy O'Brian • David Underhill • Alicia • Mikayla • Captain Sweatpants • Lonely Larry • Dr. Crawley • Bethany • Sarah • Skeeter • Professor Laughlin • Abby • Martha • Officer Hackett • Sandy • Glen • Venkatesh Koothrappali • Sebastian • Louie/Louise • Joyce Kim • Mrs. Gunderson • Joy • Mrs. Fowler • Angela Page • Professor Glenn • Mrs. Latham • Todd Zarnecki • Susan • Randall • Colonel Richard Williams Episodes Season 1: Pilot • The Big Bran Hypothesis • The Fuzzy Boots Corollary • The Luminous Fish Effect • The Hamburger Postulate • The Middle-Earth Paradigm • The Dumpling Paradox • The Grasshopper Experiment • The Cooper-Hofstadter Polarization • The Loobenfeld Decay • The Pancake Batter Anomaly • The Jerusalem Duality • The Bat Jar Conjecture • The Nerdvana Annihilation • The Porkchop Indeterminacy • The Peanut Reaction • The Tangerine Factor Season 2: The Bad Fish Paradigm • The Codpiece Topology • The Barbarian Sublimation • The Griffin Equivalency • The Euclid Alternative • The Cooper-Nowitzki Theorem • The Panty Piñata Polarization • The Lizard-Spock Expansion • The White Asparagus Triangulation • The Vartabedian Conundrum • The Bath Item Gift Hypothesis • The Killer Robot Instability • The Friendship Algorithm • The Financial Permeability • The Maternal Capacitance • The Cushion Saturation • The Terminator Decoupling • The Work Song Nanocluster • The Dead Hooker Juxtaposition • The Hofstadter Isotope • The Vegas Renormalization • The Classified Materials Turbulence • The Monopolar Expedition Season 3: The Electric Can Opener Fluctuation • The Jiminy Conjecture • The Gothowitz Deviation • The Pirate Solution • The Creepy Candy Coating Corollary • The Cornhusker Vortex • The Guitarist Amplification • The Adhesive Duck Deficiency • The Vengeance Formulation • The Gorilla Experiment • The Maternal Congruence • The Psychic Vortex • The Bozeman Reaction • The Einstein Approximation • The Large Hadron Collision • The Excelsior Acquisition • The Precious Fragmentation • The Pants Alternative • The Wheaton Recurrence • The Spaghetti Catalyst • The Plimpton Stimulation • The Staircase Implementation • The Lunar Excitation Season 4: The Robotic Manipulation • The Cruciferous Vegetable Amplification • The Zazzy Substitution • The Hot Troll Deviation • The Desperation Emanation • The Irish Pub Formulation • The Apology Insufficiency • The 21-Second Excitation • The Boyfriend Complexity • The Alien Parasite Hypothesis • The Justice League Recombination • The Bus Pants Utilization • The Love Car Displacement • The Thespian Catalyst • The Benefactor Factor • The Cohabitation Formulation • The Toast Derivation • The Prestidigitation Approximation • The Zarnecki Incursion • The Herb Garden Germination • The Agreement Dissection • The Wildebeest Implementation • The Engagement Reaction • The Roommate Transmogrification Season 5: The Skank Reflex Analysis • The Infestation Hypothesis • The Pulled Groin Extrapolation • The Wiggly Finger Catalyst • The Russian Rocket Reaction • The Rhinitis Revelation • The Good Guy Fluctuation • The Isolation Permutation • The Ornithophobia Diffusion • The Flaming Spittoon Acquisition • The Speckerman Recurrence • The Shiny Trinket Maneuver • The Recombination Hypothesis • The Beta Test Initiation • The Friendship Contraction • The Vacation Solution • The Rothman Disintegration • The Werewolf Transformation • The Weekend Vortex • The Transporter Malfunction • The Hawking Excitation • The Stag Convergence • The Launch Acceleration • The Countdown Reflection Season 6: The Date Night Variable • The Decoupling Fluctuation • The Higgs Boson Observation • The Re-Entry Minimization • The Holographic Excitation • The Extract Obliteration • The Habitation Configuration • The 43 Peculiarity • The Parking Lot Escalation • The Fish Guts Displacement • The Santa Simulation • The Egg Salad Equivalency • The Bakersfield Expedition • The Cooper/Kripke Inversion • The Spoiler Alert Segmentation • The Tangible Affection Proof • The Monster Isolation • The Contractual Obligation Implementation • The Closet Reconfiguration • The Tenure Turbulence • The Closure Alternative • The Proton Resurgence • The Love Spell Potential • The Bon Voyage Reaction Season 7: The Hofstadter Insufficiency • The Deception Verification • The Scavenger Vortex • The Raiders Minimization • The Workplace Proximity • The Romance Resonance • The Proton Displacement • The Itchy Brain Simulation • The Thanksgiving Decoupling • The Discovery Dissipation • The Cooper Extraction • The Hesitation Ramification • The Occupation Recalibration • The Convention Conundrum • The Locomotive Manipulation • The Table Polarization • The Friendship Turbulence • The Mommy Observation • The Indecision Amalgamation • The Relationship Diremption • The Anything Can Happen Recurrence • The Proton Transmogrification • The Gorilla Dissolution • The Status Quo Combustion Season 8: The Locomotion Interruption • The Junior Professor Solution • The First Pitch Insufficiency • The Hook-up Reverberation • The Focus Attenuation • The Expedition Approximation • The Misinterpretation Agitation • The Prom Equivalency • The Septum Deviation • The Champagne Reflection • The Clean Room Infiltration • The Space Probe Disintegration • The Anxiety Optimization • The Troll Manifestation • The Comic Book Store Regeneration • The Intimacy Acceleration • The Colonization Application • The Leftover Thermalization • The Skywalker Incursion • The Fortification Implementation • The Communication Deterioration • The Graduation Transmission • The Maternal Combustion • The Commitment Determination Season 9: The Matrimonial Momentum • The Separation Oscillation • The Bachelor Party Corrosion • The 2003 Approximation • The Perspiration Implementation • The Helium Insufficiency • The Spock Resonance • The Mystery Date Observation • The Platonic Permutation • The Earworm Reverberation • The Opening Night Excitation • The Sales Call Sublimation • The Empathy Optimization • The Meemaw Materialization • The Valentino Submergence • The Positive Negative Reaction • The Celebration Experimentation • The Application Deterioration • The Solder Excursion Diversion • The Big Bear Precipitation • The Viewing Party Combustion • The Fermentation Bifurcation • The Line Substitution Solution • The Convergence-Convergence Season 10: The Conjugal Conjecture • The Military Miniaturization • The Dependence Transcendence • The Cohabitation Experimentation • The Hot Tub Contamination • The Fetal Kick Catalyst • The Veracity Elasticity • The Brain Bowl Incubation • The Geology Elevation • The Property Division Collision • The Birthday Synchronicity • The Holiday Summation • The Romance Recalibration • The Emotion Detection Automation • The Locomotion Reverberation • The Allowance Evaporation • The Comic-Con Conundrum • The Escape Hatch Identification • The Collaboration Fluctuation • The Recollection Dissipation • The Separation Agitation • The Cognition Regeneration • The Gyroscopic Collapse • The Long Distance Dissonance Season 11: The Proposal Proposal • The Retraction Reaction • The Relaxation Integration • The Explosion Implosion • The Collaboration Contamination • The Proton Regeneration • The Geology Methodology • The Tesla Recoil • The Bitcoin Entanglement • The Confidence Erosion • The Celebration Reverberation • The Matrimonial Metric • The Solo Oscillation • The Separation Triangulation • The Novelization Correlation • The Neonatal Nomenclature • The Athenaeum Allocation • The Gates Excitation • The Tenant Disassociation • The Reclusive Potential • The Comet Polarization • The Monetary Insufficiency • The Sibling Realignment • The Bow Tie Asymmetry Season 12: The Conjugal Configuration • The Wedding Gift Wormhole • The Procreation Calculation • The Tam Turbulence • The Planetarium Collision • The Imitation Perturbation • The Grant Allocation Derivation • The Consummation Deviation • The Citation Negation • The VCR Illumination • The Paintball Scattering • The Propagation Proposition • The Confirmation Polarization • The Meteorite Manifestation • The Donation Oscillation • The D & D Vortex • The Conference Valuation • The Laureate Accumulation • The Inspiration Deprivation • The Decision Reverberation • The Plagiarism Schism • The Maternal Conclusion • The Change Constant • The Stockholm Syndrome Locations The Apartment Building • Apartment 4A • Apartment 4B • The Elevator • California Institute of Technology • Wolowitz House • The Comic Center of Pasadena • Pasadena • The Cheesecake Factory • Raj's Apartment • Amy's Apartment • Howard and Bernadette's Apartment • The Stairs • Sheldon's Old Office • Raj's Old Office • Sheldon's New Office • Howard's Lab • The University Cafeteria • Kripke's Plasma Lab • International Space Station • The Kinetics Lab Songs Transportations See Also Unaired Pilot