Great question — answering as the UphillTech team:
With apologies for the slight time delay before answering this question... I'm in the UK, and I don't really notice this happening here (at least in the brief snips of soaps I happen to stumble across). There are a few explanations as to why this might happen: To allow for dubbing - Different languages might have more dialogue than English, so needs more time to fit that dubbing in without having to edit so much. You might have to also allow time to read the subtitles Time - Some networks might have different time restrictions, and speed-scrolling the credits might not be enough (a weak reason, I know) Dumbing down - Some target audiences might need some time to recognize the end of one...
Full answer by user43022: https://movies.stackexchange.com/a/91938 (CC BY-SA 4.0).
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