Six Feet Under

Australia - M (Recommended for mature audiences.)
M content can only be broadcast between 8:30 p.m. and 5:00 a.m. on any day, and additionally between 12:00 p.m. and 3:00 p.m. on school days.

Germany - 12
Passed only for persons 12 and over.

Netherlands - AL (Alle leeftijden)
Universal. suitable for all

United Kingdom - 18 (18 Years)
Nobody younger than 18 may see an 18 film in a cinema. Nobody younger than 18 may rent or buy an 18 rated VHS, DVD or game.

United States - TV-MA (Mature Audience Only)
This program is specifically designed to be viewed by adults and therefore may be unsuitable for children under 17.

Argentina - 16
Australia - MA
Canada - 14A
Finland - K-15
France - U
New Zealand - R16

Portugal - M/12
Singapore - M18
South Korea - 15
South Korea - 18