The move is believed to be a ploy by the network to cram in extra advertising during the show, which is claimed by a recent report to command around $470,000 (£300,000) a 30-second spot.
Extending the show by two minutes, so it runs from 8pm to 8.32pm on Thursdays, also means it runs over the beginning of shows on rival channels. This could encourage viewers to stay tuned in to NBC after 'Friends' has finished, rather than switching over to a show that they have already missed the beginning of.
NBC is defending the decision as an artistic one, not a commercial one, claiming that longer episodes mean more of the programme, not more ads.
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