- While the version shown on BBC in the UK are 58 minutes in duration, the repeats on Bravo (UK) and the versions shown worldwide are cut down to about 42 minutes to make way for adverts and to cut down on the more adult material (particularly nudity and swearing). Much of the 1970s music is also replaced with public domain music due to rights issues.
- The DVD sets of the series have much of the 1970s music replaced with public domain music due to rights issues.
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