Resident Alien is a science fiction comedy television series adapting the comic book of the same name. It stars Alan Tudyk as Dr. Harry Vanderspeigle, a stranded, curious alien who tends to patients in the sleepy town of Patience, Colorado. Questions about the town's previous doctor arise when it becomes clear that his death was murder. Meanwhile, the alien struggles to fit into the culture of the small town, understand and emulate human emotions, and evade detection, all while seeking his spaceship and doomsday device.
The first season of the television series premiered Wednesday, January 27, 2021, on Syfy and ended on March 31. On March 17, 2021, it was announced that Syfy had renewed the series for a second season. The second season premiered on January 26, 2022 in two parts, with the first part concluding on March 16 and the second part releasing beginning on August 10 and concluding on September 28. Having chosen not to destroy the Earth, Harry Vanderspeigle returns to take care of some unfinished business, including returning the mayor's son, Max, but worries that he is becoming too human. Meanwhile, a new threat emerges when the octopus informs him that others are coming to complete the job that he wouldn't, and an old threat looms large in the form of the alien-hunting General McCallister.
On July 21, 2022, it was announced that Syfy had officially renewed the series for a third season, ahead of the premiere of the second half of Season 2. The third season premiered on February 14, 2024 and ended on April 3, 2024. In the third season, Harry needs all the help he can get against the alien threat discovered in the previous season. But a romantic distraction threatens to derail his plans and the threat the Earth is facing may be more dangerous and powerful than anyone could have possibly imagined.
On June 18, 2024, the series was renewed for a fourth season. The new season sees a reduced budget and the program moving to USA Network, though it was later reported that episodes will continue to simulcast on Syfy. Episodes also release a week following premiere on the streaming service Peacock. The new season premiered on June 6, 2025.
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