TV series / 2007-2019

The Big Bang Theory

The Big Bang Theory is a TV series from 2007-2019. This page summarizes IMDb episode ratings across 12 seasons and 279 rated episodes.

Last updated on .

12 seasons 279 rated episodes 7.8 average 1,178,370 episode votes

Ratings by Season

Rows are episode numbers. Columns are seasons.

Episode 123456789101112
1 8.1 8.2 8.2 8.7 8.0 7.6 7.7 7.2 6.8 7.8 7.5 7.2
2 8.2 7.9 7.7 8.3 8.0 7.6 7.9 7.5 7.3 7.3 7.2 7.6
3 7.6 8.7 8.1 7.9 7.6 7.9 8.7 7.0 7.7 7.2 7.0 7.2
4 8.0 7.8 8.0 8.0 7.8 8.2 7.8 7.2 7.4 7.9 7.1 7.0
5 7.8 8.3 8.3 7.6 8.0 8.0 7.6 7.5 7.4 7.4 7.3 6.8
6 8.3 8.1 7.4 8.0 7.5 7.8 8.4 7.2 7.2 7.4 7.2 8.2
7 8.0 8.6 7.7 8.0 8.5 7.6 7.7 7.7 7.9 7.9 7.4 7.3
8 8.1 8.0 8.9 8.1 7.6 8.4 7.5 8.0 7.9 8.0 7.1 7.3
9 7.9 8.0 8.3 8.4 8.1 8.2 8.8 7.5 7.7 7.4 7.7 7.2
10 8.0 7.6 8.4 7.6 7.9 8.0 7.6 7.0 8.3 7.3 7.4 7.5
11 8.2 9.1 8.3 8.6 7.2 7.8 8.1 7.4 9.0 7.6 7.1 7.3
12 7.8 7.8 8.2 7.5 7.6 8.4 7.4 7.2 7.4 7.3 7.5 7.1
13 8.2 7.9 8.0 8.2 8.1 8.4 7.5 7.4 7.4 6.9 7.2 7.1
14 8.0 7.9 8.4 7.7 8.2 7.7 8.0 8.0 7.5 7.2 7.2 7.1
15 8.2 8.8 8.0 7.7 7.7 8.2 8.2 8.1 7.5 7.3 7.5 7.4
16 8.3 8.1 8.2 7.8 7.5 7.8 7.5 7.8 7.4 7.1 7.1 8.0
17 8.5 8.0 8.4 7.9 7.7 7.6 7.4 7.5 7.6 7.4 6.8 7.1
18 8.1 8.3 8.1 8.2 7.7 7.4 7.3 7.5 7.1 7.1 7.1
19 8.1 7.8 8.0 8.1 8.1 8.1 7.5 7.4 7.1 7.2 7.0
20 7.8 8.1 8.2 8.0 8.0 8.0 7.5 7.4 7.2 7.2 7.1
21 8.4 8.1 8.2 8.5 8.0 7.5 7.0 7.4 7.2 7.4 7.3
22 8.1 9.0 7.7 7.7 7.9 7.7 7.3 7.4 6.8 7.2 7.9
23 8.2 8.6 8.1 8.1 8.1 7.8 7.5 7.4 7.2 7.7 9.0
24 8.5 8.5 7.7 8.0 7.9 7.8 8.6 9.0 9.5

Series summary

About The Big Bang Theory

The rated episodes of The Big Bang Theory have an average IMDb rating of 7.8 based on 1,178,370 episode votes. Season 2 has the highest average rating at 8.2 across 23 rated episodes. Season 11 has the lowest average rating at 7.3.

Genre
Comedy , Romance
Runtime
22 minute episodes
Principal cast
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, and Melissa Rauch
Writers
Chuck Lorre, Bill Prady, and Steven Molaro
Directors
Mark Cendrowski, Anthony Rich, and Peter Chakos
Also known as
La teoría del Big Bang, A Teoria do Big Bang, and Agymenők

Highest rated

Best Episodes

  1. S12E24: The Stockholm Syndrome The best episode of The Big Bang Theory is S12E24: The Stockholm Syndrome with a 9.5 rating / 12,275 votes
  2. S2E11: The Bath Item Gift Hypothesis 9.1 rating / 8,190 votes
  3. S3E22: The Staircase Implementation 9.0 rating / 6,267 votes
  4. S9E11: The Opening Night Excitation 9.0 rating / 6,161 votes
  5. S12E23: The Change Constant 9.0 rating / 5,918 votes

Lowest rated

Worst Episodes

  1. S9E1: The Matrimonial Momentum The worse episode of The Big Bang Theory is S9E1: The Matrimonial Momentum with a 6.8 rating / 4,442 votes
  2. S10E22: The Cognition Regeneration 6.8 rating / 3,026 votes
  3. S12E5: The Planetarium Collision 6.8 rating / 3,014 votes
  4. S11E17: The Athenaeum Allocation 6.8 rating / 2,888 votes
  5. S10E13: The Romance Recalibration 6.9 rating / 3,204 votes