This Is the End can help advanced learners become more confident with fast and natural English. Some conversations move quickly, so learners may need to listen to certain parts more than once at first. The vocabulary is not overly technical, though it includes enough variety to make the practice meaningful. There is enough plot detail to keep learners engaged without making the whole experience confusing. For learners around B2/C1, English subtitles can make the first watch more manageable.