Resident Alien 2025 Release Date. At wondercon 2025, the creator behind syfy's resident alien shared some details on what he’d like to explore in a hypothetical. Resident alien season 4 is officially happening, but it won't air on syfy.

The official trailer for resident alien season 3 was dropped in january 2025, and it was announced that the season is set to premiere on wednesday, february 14, 2025, at 10. “ resident alien ” has been renewed for season 4 by nbcuniversal.