The Big Bang Theory (2007)

Comedy · Romance

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.

IMDb rating: 8.1 (947,695 votes)
Episode average: 7.8 -0.3 vs IMDb
Seasons: 12
Streaming (US): HBO Max
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 2026 · 12 seasons indexed

Cast

Seasons

Season 1 (2007)

8.07 avg 17 episodes 8.1 → 8.5 21 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Pilot	8.1	8,625
2	The Big Bran Hypothesis	8.2	6,936
3	The Fuzzy Boots Corollary	7.6	6,249
4	The Luminous Fish Effect	8.0	6,297
5	The Hamburger Postulate	7.8	5,980
6	The Middle Earth Paradigm	8.3	6,209
7	The Dumpling Paradox	8.0	5,887
8	The Grasshopper Experiment	8.1	5,888
9	The Cooper-Hofstadter Polarization	7.9	5,692
10	The Loobenfeld Decay	8.0	5,829
11	The Pancake Batter Anomaly	8.2	5,789
12	The Jerusalem Duality	7.8	5,503
13	The Bat Jar Conjecture	8.2	5,664
14	The Nerdvana Annihilation	8.0	5,555
15	The Pork Chop Indeterminacy	8.2	5,796
16	The Peanut Reaction	8.3	5,459
17	The Tangerine Factor	8.5	5,705

Season 2 (2008)

8.15 avg 23 episodes 8.2 → 8.2 21 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Bad Fish Paradigm	8.2	5,538
2	The Codpiece Topology	7.9	5,136
3	The Barbarian Sublimation	8.7	5,992
4	The Griffin Equivalency	7.8	5,188
5	The Euclid Alternative	8.3	5,314
6	The Cooper-Nowitzki Theorem	8.1	5,319
7	The Panty Piñata Polarization	8.6	5,628
8	The Lizard-Spock Expansion	8.0	5,086
9	The White Asparagus Triangulation	8.0	5,028
10	The Vartabedian Conundrum	7.6	4,926
11	The Bath Item Gift Hypothesis	9.1	8,170
12	The Killer Robot Instability	7.8	4,980
13	The Friendship Algorithm	7.9	4,934
14	The Financial Permeability	7.9	4,889
15	The Maternal Capacitance	8.8	5,870
16	The Cushion Saturation	8.1	4,908
17	The Terminator Decoupling	8.0	5,266
18	The Work Song Nanocluster	8.1	4,942
19	The Dead Hooker Juxtaposition	8.1	4,985
20	The Hofstadter Isotope	7.8	4,784
21	The Vegas Renormalization	8.4	5,140
22	The Classified Materials Turbulence	8.1	4,732
23	The Monopolar Expedition	8.2	4,882

Season 3 (2009)

8.19 avg 23 episodes 8.2 → 8.6 21 min avg

Rebound

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Electric Can Opener Fluctuation	8.2	5,193
2	The Jiminy Conjecture	7.7	4,767
3	The Gothowitz Deviation	8.1	4,888
4	The Pirate Solution	8.0	4,777
5	The Creepy Candy Coating Corollary	8.3	4,888
6	The Cornhusker Vortex	7.4	4,600
7	The Guitarist Amplification	7.7	4,636
8	The Adhesive Duck Deficiency	8.9	6,512
9	The Vengeance Formulation	8.3	4,846
10	The Gorilla Experiment	8.4	4,909
11	The Maternal Congruence	8.3	4,821
12	The Psychic Vortex	8.2	4,718
13	The Bozeman Reaction	8.0	4,625
14	The Einstein Approximation	8.4	5,011
15	The Large Hadron Collision	8.0	4,540
16	The Excelsior Acquisition	8.2	4,665
17	The Precious Fragmentation	8.4	4,913
18	The Pants Alternative	8.3	4,824
19	The Wheaton Recurrence	7.8	4,522
20	The Spaghetti Catalyst	8.1	4,528
21	The Plimpton Stimulation	8.1	4,829
22	The Staircase Implementation	9.0	6,244
23	The Lunar Excitation	8.6	4,938

Season 4 (2010)

8.03 avg 24 episodes 8.7 → 8.5 21 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Robotic Manipulation	8.7	5,456
2	The Cruciferous Vegetable Amplification	8.3	4,898
3	The Zazzy Substitution	7.9	4,653
4	The Hot Troll Deviation	8.0	4,610
5	The Desperation Emanation	7.6	4,455
6	The Irish Pub Formulation	8.0	4,527
7	The Apology Insufficiency	8.0	4,542
8	The 21-Second Excitation	8.1	4,557
9	The Boyfriend Complexity	8.4	4,758
10	The Alien Parasite Hypothesis	7.6	4,417
11	The Justice League Recombination	8.6	5,054
12	The Bus Pants Utilization	7.5	4,392
13	The Love Car Displacement	8.2	4,758
14	The Thespian Catalyst	7.7	4,452
15	The Benefactor Factor	7.7	4,427
16	The Cohabitation Formulation	7.8	4,274
17	The Toast Derivation	7.9	4,302
18	The Prestidigitation Approximation	8.1	4,505
19	The Zarnecki Incursion	8.0	4,379
20	The Herb Garden Germination	8.2	4,377
21	The Agreement Dissection	8.2	4,489
22	The Wildebeest Implementation	7.7	4,248
23	The Engagement Reaction	8.0	4,325
24	The Roommate Transmogrification	8.5	4,602

Season 5 (2011)

7.92 avg 24 episodes 8.0 → 8.5 21 min avg

Season 5 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Skank Reflex Analysis	8.0	4,979
2	The Infestation Hypothesis	8.0	4,487
3	The Pulled Groin Extrapolation	7.6	4,306
4	The Wiggly Finger Catalyst	7.8	4,371
5	The Russian Rocket Reaction	8.0	4,333
6	The Rhinitis Revelation	7.5	4,265
7	The Good Guy Fluctuation	8.5	5,133
8	The Isolation Permutation	7.6	4,222
9	The Ornithophobia Diffusion	8.1	4,441
10	The Flaming Spittoon Acquisition	7.9	4,273
11	The Speckerman Recurrence	7.2	4,261
12	The Shiny Trinket Maneuver	7.6	4,244
13	The Recombination Hypothesis	8.1	4,487
14	The Beta Test Initiation	8.2	4,467
15	The Friendship Contraction	7.7	4,103
16	The Vacation Solution	7.5	4,082
17	The Rothman Disintegration	7.7	4,190
18	The Werewolf Transformation	8.2	4,398
19	The Weekend Vortex	8.1	4,203
20	The Transporter Malfunction	8.0	4,332
21	The Hawking Excitation	8.5	4,787
22	The Stag Convergence	7.7	4,147
23	The Launch Acceleration	8.1	4,113
24	The Countdown Reflection	8.5	4,655

Season 6 (2012)

7.95 avg 24 episodes 7.6 → 7.7 21 min avg

Mid-peak

Season 6 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Date Night Variable	7.6	5,103
2	The Decoupling Fluctuation	7.6	4,255
3	The Higgs Boson Observation	7.9	4,276
4	The Re-Entry Minimization	8.2	4,590
5	The Holographic Excitation	8.0	4,234
6	The Extract Obliteration	7.8	4,074
7	The Habitation Configuration	7.6	4,053
8	The 43 Peculiarity	8.4	4,647
9	The Parking Spot Escalation	8.2	4,531
10	The Fish Guts Displacement	8.0	4,304
11	The Santa Simulation	7.8	4,137
12	The Egg Salad Equivalency	8.4	4,600
13	The Bakersfield Expedition	8.4	4,619
14	The Cooper/Kripke Inversion	7.7	4,061
15	The Spoiler Alert Segmentation	8.2	4,208
16	The Tangible Affection Proof	7.8	4,083
17	The Monster Isolation	7.6	3,935
18	The Contractual Obligation Implementation	7.7	4,012
19	The Closet Reconfiguration	8.1	4,278
20	The Tenure Turbulence	8.0	4,107
21	The Closure Alternative	8.0	4,072
22	The Proton Resurgence	7.9	4,233
23	The Love Spell Potential	8.1	4,225
24	The Bon Voyage Reaction	7.7	4,021

Season 7 (2013)

7.85 avg 24 episodes 7.7 → 8.0 20 min avg

Season 7 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Hofstadter Insufficiency	7.7	4,468
2	The Deception Verification	7.9	4,402
3	The Scavenger Vortex	8.7	5,417
4	The Raiders Minimization	7.8	4,098
5	The Workplace Proximity	7.6	3,917
6	The Romance Resonance	8.4	4,678
7	The Proton Displacement	7.7	3,999
8	The Itchy Brain Simulation	7.5	3,996
9	The Thanksgiving Decoupling	8.8	5,597
10	The Discovery Dissipation	7.6	3,786
11	The Cooper Extraction	8.1	4,254
12	The Hesitation Ramification	7.4	3,857
13	The Occupation Recalibration	7.5	3,860
14	The Convention Conundrum	8.0	4,228
15	The Locomotive Manipulation	8.2	4,363
16	The Table Polarization	7.5	3,768
17	The Friendship Turbulence	7.4	3,710
18	The Mommy Observation	7.4	3,803
19	The Indecision Amalgamation	8.1	4,072
20	The Relationship Diremption	8.0	3,842
21	The Anything Can Happen Recurrence	7.5	3,682
22	The Proton Transmogrification	7.7	3,858
23	The Gorilla Dissolution	7.8	3,829
24	The Status Quo Combustion	8.0	3,933

Season 8 (2014)

7.47 avg 24 episodes 7.2 → 7.9 20 min avg

Season 8 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Locomotion Interruption	7.2	4,437
2	The Junior Professor Solution	7.6	4,153
3	The First Pitch Insufficiency	7.0	4,090
4	The Hook-up Reverberation	7.2	3,867
5	The Focus Attenuation	7.5	3,982
6	The Expedition Approximation	7.2	3,823
7	The Misinterpretation Agitation	7.7	4,190
8	The Prom Equivalency	8.0	4,206
9	The Septum Deviation	7.5	3,755
10	The Champagne Reflection	7.0	3,818
11	The Clean Room Infiltration	7.4	3,723
12	The Space Probe Disintegration	7.2	3,611
13	The Anxiety Optimization	7.4	3,615
14	The Troll Manifestation	8.0	3,924
15	The Comic Book Store Regeneration	8.1	4,022
16	The Intimacy Acceleration	7.8	3,787
17	The Colonization Application	7.5	3,568
18	The Leftover Thermalization	7.3	3,554
19	The Skywalker Incursion	7.5	3,577
20	The Fortification Implementation	7.5	3,547
21	The Communication Deterioration	7.0	3,457
22	The Graduation Transmission	7.3	3,517
23	The Maternal Combustion	7.5	3,616
24	The Commitment Determination	7.9	4,034

Season 9 (2015)

7.57 avg 24 episodes 6.8 → 7.8 19 min avg

Mid-peak

Season 9 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Matrimonial Momentum	6.8	4,436
2	The Separation Oscillation	7.3	3,809
3	The Bachelor Party Corrosion	7.7	3,894
4	The 2003 Approximation	7.4	3,682
5	The Perspiration Implementation	7.4	3,592
6	The Helium Insufficiency	7.2	3,666
7	The Spock Resonance	7.9	3,778
8	The Mystery Date Observation	7.9	3,789
9	The Platonic Permutation	7.7	3,799
10	The Earworm Reverberation	8.3	4,265
11	The Opening Night Excitation	9.0	6,151
12	The Sales Call Sublimation	7.4	3,422
13	The Empathy Optimization	7.4	3,444
14	The Meemaw Materialization	7.5	3,498
15	The Valentino Submergence	7.5	3,433
16	The Positive Negative Reaction	7.4	3,569
17	The Celebration Experimentation	7.6	3,600
18	The Application Deterioration	7.5	3,369
19	The Solder Excursion Diversion	7.4	3,294
20	The Big Bear Precipitation	7.4	3,272
21	The Viewing Party Combustion	7.4	3,262
22	The Fermentation Bifurcation	7.4	3,200
23	The Line Substitution Solution	7.4	3,214
24	The Convergence Convergence	7.8	3,626

Season 10 (2016)

7.40 avg 24 episodes 7.8 → 8.6 19 min avg

Season 10 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Conjugal Conjecture	7.8	4,201
2	The Military Miniaturization	7.3	3,432
3	The Dependence Transcendence	7.2	3,320
4	The Cohabitation Experimentation	7.9	3,597
5	The Hot Tub Contamination	7.4	3,273
6	The Fetal Kick Catalyst	7.4	3,339
7	The Veracity Elasticity	7.9	3,534
8	The Brain Bowl Incubation	8.0	3,654
9	The Geology Elevation	7.4	3,227
10	The Property Division Collision	7.3	3,237
11	The Birthday Synchronicity	7.6	3,294
12	The Holiday Summation	7.3	3,322
13	The Romance Recalibration	6.9	3,191
14	The Emotion Detection Automation	7.2	3,134
15	The Locomotion Reverberation	7.3	3,087
16	The Allowance Evaporation	7.1	2,998
17	The Comic-Con Conundrum	7.4	3,049
18	The Escape Hatch Identification	7.1	2,998
19	The Collaboration Fluctuation	7.1	3,047
20	The Recollection Dissipation	7.2	3,015
21	The Separation Agitation	7.2	3,053
22	The Cognition Regeneration	6.8	3,014
23	The Gyroscopic Collapse	7.2	2,955
24	The Long Distance Dissonance	8.6	4,128

Season 11 (2017)

7.34 avg 24 episodes 7.5 → 9.0 20 min avg

Season 11 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Proposal Proposal	7.5	3,629
2	The Retraction Reaction	7.2	3,260
3	The Relaxation Integration	7.0	3,108
4	The Explosion Implosion	7.1	3,045
5	The Collaboration Contamination	7.3	3,064
6	The Proton Regeneration	7.2	3,031
7	The Geology Methodology	7.4	3,055
8	The Tesla Recoil	7.1	2,959
9	The Bitcoin Entanglement	7.7	3,209
10	The Confidence Erosion	7.4	2,987
11	The Celebration Reverberation	7.1	2,916
12	The Matrimonial Metric	7.5	2,975
13	The Solo Oscillation	7.2	2,957
14	The Separation Triangulation	7.2	3,011
15	The Novelization Correlation	7.5	2,937
16	The Neonatal Nomenclature	7.1	2,854
17	The Athenaeum Allocation	6.8	2,874
18	The Gates Excitation	7.1	2,918
19	The Tenant Disassociation	7.2	2,878
20	The Reclusive Potential	7.2	2,883
21	The Comet Polarization	7.4	2,899
22	The Monetary Insufficiency	7.2	2,831
23	The Sibling Realignment	7.7	3,055
24	The Bow Tie Asymmetry	9.0	5,078

Season 12 (2018)

7.47 avg 24 episodes 7.2 → 9.5 20 min avg

Season 12 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Conjugal Configuration	7.2	3,360
2	The Wedding Gift Wormhole	7.6	3,225
3	The Procreation Calculation	7.2	3,088
4	The Tam Turbulence	7.0	2,997
5	The Planetarium Collision	6.8	3,002
6	The Imitation Perturbation	8.2	3,634
7	The Grant Allocation Derivation	7.3	2,950
8	The Consummation Deviation	7.3	3,023
9	The Citation Negation	7.2	2,978
10	The VCR Illumination	7.5	3,109
11	The Paintball Scattering	7.3	2,932
12	The Propagation Proposition	7.1	2,870
13	The Confirmation Polarization	7.1	2,892
14	The Meteorite Manifestation	7.1	2,877
15	The Donation Oscillation	7.4	2,956
16	The D & D Vortex	7.9	3,267
17	The Conference Valuation	7.1	2,868
18	The Laureate Accumulation	7.1	2,836
19	The Inspiration Deprivation	7.0	2,891
20	The Decision Reverberation	7.1	2,830
21	The Plagiarism Schism	7.3	2,921
22	The Maternal Conclusion	7.9	3,507
23	The Change Constant	9.0	5,892
24	The Stockholm Syndrome	9.5	12,227