Netflix's smash-hit sci-fi horror series Stranger Things is fast approaching its end, with season five set to be showcased in 2025. First released in 2016, the Duffer Brothers' compelling fantasy series became one of the streamer's most popular shows, with its fourth season the most-watched English TV series in the first four weeks of release. Due to the shocking circumstances surrounding season 4'sfinale, the eagerly-awaited upcoming season is set to hone into the supernatural dark forces of the Upside Down more than ever before.