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Season 1 - Sep. 24, 2007
- Eps 1: Pilot
- Eps 2: The Big Bran Hypothesis
- Eps 3: The Fuzzy Boots Corollary
- Eps 4: The Luminous Fish Effect
- Eps 5: The Hamburger Postulate
- Eps 6: The Middle-Earth Paradigm
- Eps 7: The Dumpling Paradox
- Eps 8: The Grasshopper Experiment
- Eps 9: The Cooper-Hofstadter Polarization
- Eps 10: The Loobenfeld Decay
- Eps 11: The Pancake Batter Anomaly
- Eps 12: The Jerusalem Duality
- Eps 13: The Bat Jar Conjecture
- Eps 14: The Nerdvana Annihilation
- Eps 15: The Pork Chop Indeterminacy
- Eps 16: The Peanut Reaction
- Eps 17: The Tangerine Factor
Season 2 - Sep. 22, 2008
- Eps 1: The Bad Fish Paradigm
- Eps 2: The Codpiece Topology
- Eps 3: The Barbarian Sublimation
- Eps 4: The Griffin Equivalency
- Eps 5: The Euclid Alternative
- Eps 6: The Cooper-Nowitzki Theorem
- Eps 7: The Panty Piñata Polarization
- Eps 8: The Lizard-Spock Expansion
- Eps 9: The White Asparagus Triangulation
- Eps 10: The Vartabedian Conundrum
- Eps 11: The Bath Item Gift Hypothesis
- Eps 12: The Killer Robot Instability
- Eps 13: The Friendship Algorithm
- Eps 14: The Financial Permeability
- Eps 15: The Maternal Capacitance
- Eps 16: The Cushion Saturation
- Eps 17: The Terminator Decoupling
- Eps 18: The Work Song Nanocluster
- Eps 19: The Dead Hooker Juxtaposition
- Eps 20: The Hofstadter Isotope
- Eps 21: The Vegas Renormalization
- Eps 22: The Classified Materials Turbulence
- Eps 23: The Monopolar Expedition
Season 3 - Sep. 21, 2009
- Eps 1: The Electric Can Opener Fluctuation
- Eps 2: The Jiminy Conjecture
- Eps 3: The Gothowitz Deviation
- Eps 4: The Pirate Solution
- Eps 5: The Creepy Candy Coating Corollary
- Eps 6: The Cornhusker Vortex
- Eps 7: The Guitarist Amplification
- Eps 8: The Adhesive Duck Deficiency
- Eps 9: The Vengeance Formulation
- Eps 10: The Gorilla Experiment
- Eps 11: The Maternal Congruence
- Eps 12: The Psychic Vortex
- Eps 13: The Bozeman Reaction
- Eps 14: The Einstein Approximation
- Eps 15: The Large Hadron Collision
- Eps 16: The Excelsior Acquisition
- Eps 17: The Precious Fragmentation
- Eps 18: The Pants Alternative
- Eps 19: The Wheaton Recurrence
- Eps 20: The Spaghetti Catalyst
- Eps 21: The Plimpton Stimulation
- Eps 22: The Staircase Implementation
- Eps 23: The Lunar Excitation
Season 4 - Sep. 23, 2010
- Eps 1: The Robotic Manipulation
- Eps 2: The Cruciferous Vegetable Amplification
- Eps 3: The Zazzy Substitution
- Eps 4: The Hot Troll Deviation
- Eps 5: The Desperation Emanation
- Eps 6: The Irish Pub Formulation
- Eps 7: The Apology Insufficiency
- Eps 8: The 21-second Excitation
- Eps 9: The Boyfriend Complexity
- Eps 10: The Alien Parasite Hypothesis
- Eps 11: The Justice League Recombination
- Eps 12: The Bus Pants Utilization
- Eps 13: The Love Car Displacement
- Eps 14: The Thespian Catalyst
- Eps 15: The Benefactor Factor
- Eps 16: The Cohabitation Formulation
- Eps 17: The Toast Derivation
- Eps 18: The Prestidigitation Approximation
- Eps 19: The Zarnecki Incursion
- Eps 20: The Herb Garden Germination
- Eps 21: The Agreement Dissection
- Eps 22: The Wildebeest Implementation
- Eps 23: The Engagement Reaction
- Eps 24: The Roommate Transmogrification
Season 5 - Sep. 22, 2011
- Eps 1: The Skank Reflex Analysis
- Eps 2: The Infestation Hypothesis
- Eps 3: The Pulled Groin Extrapolation
- Eps 4: The Wiggly Finger Catalyst
- Eps 5: The Russian Rocket Reaction
- Eps 6: The Rhinitis Revelation
- Eps 7: The Good Guy Fluctuation
- Eps 8: The Isolation Permutation
- Eps 9: The Ornithophobia Diffusion
- Eps 10: The Flaming Spittoon Acquisition
- Eps 11: The Speckerman Recurrence
- Eps 12: The Shiny Trinket Maneuver
- Eps 13: The Recombination Hypothesis
- Eps 14: The Beta Test Initiation
- Eps 15: The Friendship Contraction
- Eps 16: The Vacation Solution
- Eps 17: The Rothman Disintegration
- Eps 18: The Werewolf Transformation
- Eps 19: The Weekend Vortex
- Eps 20: The Transporter Malfunction
- Eps 21: The Hawking Excitation
- Eps 22: The Stag Convergence
- Eps 23: The Launch Acceleration
- Eps 24: The Countdown Reflection
Season 6 - Sep. 27, 2012
- Eps 1: The Date Night Variable
- Eps 2: The Decoupling Fluctuation
- Eps 3: The Higgs Boson Observation
- Eps 4: The Re-Entry Minimization
- Eps 5: The Holographic Excitation
- Eps 6: The Extract Obliteration
- Eps 7: The Habitation Configuration
- Eps 8: The 43 Peculiarity
- Eps 9: The Parking Spot Escalation
- Eps 10: The Fish Guts Displacement
- Eps 11: The Santa Simulation
- Eps 12: The Egg Salad Equivalency
- Eps 13: The Bakersfield Expedition
- Eps 14: The Cooper/Kripke Inversion
- Eps 15: The Spoiler Alert Segmentation
- Eps 16: The Tangible Affection Proof
- Eps 17: The Monster Isolation
- Eps 18: The Contractual Obligation Implementation
- Eps 19: The Closet Reconfiguration
- Eps 20: The Tenure Turbulence
- Eps 21: The Closure Alternative
- Eps 22: The Proton Resurgence
- Eps 23: The Love Spell Potential
- Eps 24: The Bon Voyage Reaction
Season 7 - Sep. 26, 2013
- Eps 1: The Hofstadter Insufficiency
- Eps 2: The Deception Verification
- Eps 3: The Scavenger Vortex
- Eps 4: The Raiders Minimization
- Eps 5: The Workplace Proximity
- Eps 6: The Romance Resonance
- Eps 7: The Proton Displacement
- Eps 8: The Itchy Brain Simulation
- Eps 9: The Thanksgiving Decoupling
- Eps 10: The Discovery Dissipation
- Eps 11: The Cooper Extraction
- Eps 12: The Hesitation Ramification
- Eps 13: The Occupation Recalibration
- Eps 14: The Convention Conundrum
- Eps 15: The Locomotive Manipulation
- Eps 16: The Table Polarization
- Eps 17: The Friendship Turbulence
- Eps 18: The Mommy Observation
- Eps 19: The Indecision Amalgamation
- Eps 20: The Relationship Diremption
- Eps 21: The Anything Can Happen Recurrence
- Eps 22: The Proton Transmogrification
- Eps 23: The Gorilla Dissolution
- Eps 24: The Status Quo Combustion
Season 8 - Sep. 22, 2014
- Eps 1: The Locomotion Interruption
- Eps 2: The Junior Professor Solution
- Eps 3: The First Pitch Insufficiency
- Eps 4: The Hook-Up Reverberation
- Eps 5: The Focus Attenuation
- Eps 6: The Expedition Approximation
- Eps 7: The Misinterpretation Agitation
- Eps 8: The Prom Equivalency
- Eps 9: The Septum Deviation
- Eps 10: The Champagne Reflection
- Eps 11: The Clean Room Infiltration
- Eps 12: The Space Probe Disintegration
- Eps 13: The Anxiety Optimization
- Eps 14: The Troll Manifestation
- Eps 15: The Comic Book Store Regeneration
- Eps 16: The Intimacy Acceleration
- Eps 17: The Colonization Application
- Eps 18: The Leftover Thermalization
- Eps 19: The Skywalker Incursion
- Eps 20: The Fortification Implementation
- Eps 21: The Communication Deterioration
- Eps 22: The Graduation Transmission
- Eps 23: The Maternal Combustion
- Eps 24: The Commitment Determination
Season 9 - Sep. 21, 2015
- Eps 1: The Matrimonial Momentum
- Eps 2: The Separation Oscillation
- Eps 3: The Bachelor Party Corrosion
- Eps 4: The 2003 Approximation
- Eps 5: The Perspiration Implementation
- Eps 6: The Helium Insufficiency
- Eps 7: The Spock Resonance
- Eps 8: The Mystery Date Observation
- Eps 9: The Platonic Permutation
- Eps 10: The Earworm Reverberation
- Eps 11: The Opening Night Excitation
- Eps 12: The Sales Call Sublimation
- Eps 13: The Empathy Optimization
- Eps 14: The Meemaw Materialization
- Eps 15: The Valentino Submergence
- Eps 16: The Positive Negative Reaction
- Eps 17: The Celebration Experimentation
- Eps 18: The Application Deterioration
- Eps 19: The Solder Excursion Diversion
- Eps 20: The Big Bear Precipitation
- Eps 21: The Viewing Party Combustion
- Eps 22: The Fermentation Bifurcation
- Eps 23: The Line Substitution Solution
- Eps 24: The Convergence Convergence
Season 10 - Sep. 19, 2016
- Eps 1: The Conjugal Conjecture
- Eps 2: The Military Miniaturization
- Eps 3: The Dependence Transcendence
- Eps 4: The Cohabitation Experimentation
- Eps 5: The Hot Tub Contamination
- Eps 6: The Fetal Kick Catalyst
- Eps 7: The Veracity Elasticity
- Eps 8: The Brain Bowl Incubation
- Eps 9: The Geology Elevation
- Eps 10: The Property Division Collision
- Eps 11: The Birthday Synchronicity
- Eps 12: The Holiday Summation
- Eps 13: The Romance Recalibration
- Eps 14: The Emotion Detection Automation
- Eps 15: The Locomotion Reverberation
- Eps 16: The Allowance Evaporation
- Eps 17: The Comic-Con Conundrum
- Eps 18: The Escape Hatch Identification
- Eps 19: The Collaboration Fluctuation
- Eps 20: The Recollection Dissipation
- Eps 21: The Separation Agitation
- Eps 22: The Cognition Regeneration
- Eps 23: The Gyroscopic Collapse
- Eps 24: The Long Distance Dissonance
Season 11 - Sep. 25, 2017
- Eps 1: The Proposal Proposal
- Eps 2: The Retraction Reaction
- Eps 3: The Relaxation Integration
- Eps 4: The Explosion Implosion
- Eps 5: The Collaboration Contamination
- Eps 6: The Proton Regeneration
- Eps 7: The Geology Methodology
- Eps 8: The Tesla Recoil
- Eps 9: The Bitcoin Entanglement
- Eps 10: The Confidence Erosion
- Eps 11: The Celebration Reverberation
- Eps 12: The Matrimonial Metric
- Eps 13: The Solo Oscillation
- Eps 14: The Separation Triangulation
- Eps 15: The Novelization Correlation
- Eps 16: The Neonatal Nomenclature
- Eps 17: The Athenaeum Allocation
- Eps 18: The Gates Excitation
- Eps 19: The Tenant Disassociation
- Eps 20: The Reclusive Potential
- Eps 21: The Comet Polarization
- Eps 22: The Monetary Insufficiency
- Eps 23: The Sibling Realignment
- Eps 24: The Bow Tie Asymmetry
Season 12 - Sep. 24, 2018
- Eps 1: The Conjugal Configuration
- Eps 2: The Wedding Gift Wormhole
- Eps 3: The Procreation Calculation
- Eps 4: The Tam Turbulence
- Eps 5: The Planetarium Collision
- Eps 6: The Imitation Perturbation
- Eps 7: The Grant Allocation Derivation
- Eps 8: The Consummation Deviation
- Eps 9: The Citation Negation
- Eps 10: The VCR Illumination
- Eps 11: The Paintball Scattering
- Eps 12: The Propagation Proposition
- Eps 13: The Confirmation Polarization
- Eps 14: The Meteorite Manifestation
- Eps 15: The Donation Oscillation
- Eps 16: The D & D Vortex
- Eps 17: The Conference Valuation
- Eps 18: The Laureate Accumulation
- Eps 19: The Inspiration Deprivation
- Eps 20: The Decision Reverberation
- Eps 21: The Plagiarism Schism
- Eps 22: The Maternal Conclusion
- Eps 23: The Change Constant / The Stockholm Syndrome
- Eps 24: Unraveling the Mystery: A Big Bang Farewell
The Big Bang Theory Season 9 Episode 12
HD
Overview:
Penny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf. Also, Sheldon and Koothrappali collaborate on an astronomical discovery, and Wolowitz and Bernadette can’t believe what they are feeling after Stuart moves out.