The sci-fi comedy series, starring Alan Tudyk as a crash-landed alien named Harry, has been canceled by USA Network after its fourth season. Creator Chris Sheridan had anticipated the end of the show, citing opportunities to wrap up storylines and deliver a strong finale. The news came ahead of the intended finale set for August 8.
Source: https://www.hollywoodreporter.com/tv/tv-news/resident-alien-canceled-season-4-1236329054