How Do Teams Manage Long Form Video Localization Across Multiple Languages?

I have been looking into how teams handle long form video localization for content like online courses, product demos, software tutorials, documentaries and training videos.

One thing I noticed is that localizing longer videos involves many moving parts. Translating the script is only one step. Keeping the speaker’s tone, matching timing, maintaining voice consistency, adapting cultural references, and making sure the final version feels natural for the target audience all require attention.

For people working in localization, what part of long form video projects takes the most effort in your workflow translation, dubbing, subtitles, quality checks, cultural adaptation or managing multiple language versions?