Barry is useful for English practice if you can already follow natural conversations. The vocabulary is not overly technical, though it includes enough variety to make the practice meaningful. Also, jokes, quick reactions and casual exchanges are a regular part of the dialogue. With the dialogue moving at a natural rhythm, viewers should catch most of it, although a few moments may still be challenging. There is enough plot detail to keep learners engaged without making the whole experience confusing. For learners around B2/C1, this can be a practical choice for building confidence with more complex narratives.