The Big Bang Theory - 2007 is rated/received certificates of:
Argentina:13
Australia:M (some episodes)
Australia:PG (some episodes)
Brazil:10
Canada:PG
Canada:G (Quebec)
Finland:S
Finland:K-11 (season 1) (DVD release)
Finland:K-13 (season 2) (season 4) (DVD release)
Ireland:12
Italy:T
New Zealand:M (DVD Rating)
New Zealand:PG (TV rating)
Singapore:NC-16 (season 4) (season 5)
Singapore:PG13 (season 6)
Singapore:PG (seasons 1-3)
South Korea:15 (cable rating)
South Korea:12 (seasons 1-2) (DVD rating)
UK:12 (season 1)
UK:15 (season 2)
USA:TV-14 (some episodes)
USA:TV-PG (some episodes)
The Big Bang Theory - 2007 The Closure Alternative 6-21 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Toast Derivation 4-17 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Isolation Permutation 5-8 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Robotic Manipulation 4-1 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Thespian Catalyst 4-14 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Isolation Permutation 5-8 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Boyfriend Complexity 4-9 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Lunar Excitation 3-23 is rated/received certificates of: Australia:PG
The Big Bang Theory - 2007 The Wildebeest Implementation 4-22 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Cohabitation Formulation 4-16 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Engagement Reaction 4-23 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Infestation Hypothesis 5-2 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Apology Insufficiency 4-7 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Prestidigitation Approximation 4-18 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Roommate Transmogrification 4-24 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Agreement Dissection 4-21 is rated/received certificates of: Netherlands:AL
The Big Bang Theory - 2007 The Desperation Emanation 4-5 is rated/received certificates of: Netherlands:AL