nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqv9ze48mrwv4rs92aa5tus2mtchs8v8kfn9xfghjkadlfa0swutlq5h46gc It depends on the Chinese cartoon.

Some are intentionally slowed down to stretch each episode, although would be watchable if you applied a 1.5-2x speedup to the parts of the video without dialogue, like Gantz for example, but that's not easy to implement.