Resident Alien is an American science fiction mystery comedy-drama television series created by Chris Sheridan, based on the comic book of the same title by Peter Hogan and Steve Parkhouse, that premiered its 10-episode first season on January 27, 2021, on Syfy. It stars Alan Tudyk in the title role. In March 2021, it was renewed for a second season which premiered January 26, 2022. The second season consists of 16 episodes, split into two eight-episode parts; the second half premiered on August 10, 2022. In July 2022, it was renewed for an eight-episode third season, which premiered February 14, 2024.

Christopher Sheridan is an American television writer, producer, and occasional voice actor. Born in the Philippines, Sheridan grew up in New Hampshire. He attended Gilford High School, where he decided that he wanted to become a writer. After graduating from Union College, he moved back to his home, where he worked at several short-term jobs before relocating to California to start his career. His first job came in 1992 when he was hired as a writers' assistant for the Fox sitcom Shaky Ground. Following that, he was hired as an assistant on Living Single, a Fox sitcom, where he was eventually promoted to writer. He stayed with the show until its cancellation in 1998.