Mrs. Doubtfire 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. At an average of around 96 words per minute, the dialogue is generally manageable, though some exchanges require more attention. Because the plot is fairly straightforward, learners can focus more on the dialogue than on figuring out the story. If your English is close to B1/B2, Mrs. Doubtfire can be useful for practising everyday conversation and informal expressions.