Across its three seasons thus far, Resident Alien has delivered the laughs while also raising the stakes with each ing episode, and now season 4 is coming soon. Debuting in 2021 and based on the eponymous comics by Peter Hogan and Steve Parkhouse, Resident Alien follows an alien (Alan Tudyk) who is sent to destroy Earth. However, upon assuming the identity of a physician, he begins to grapple with the moral dilemma of wiping out a species he grows to care for.

Scoring high marks from critics since the debut season, Resident Alien is largely carried by the stellar performance of Allan Tudyk who excels at the sort of character work required by such an odd premise. Likewise, the humorous writing of the series is both raunchy and clever, and Harry's decision to change his mind about destroying Earth is earned instead of assumed. With the show so able to change its basic premise on a dime, the future of Resident Alien is brighter than ever, and season 4 will be airing on a new network as well.

Resident Alien Season 4 Latest News

Season 4 Adds A Major New Character

Not long after filming wrapped on the episodes, the latest news confirms that Resident Alien season 4 has added a major new character. Set to play the role of Harry's father, Emmy nominee Stephen Root (Barry, Office Space) has ed the forthcoming season. Little is known about the role yet, but he is expected to push Harry back toward the path of evil. Root will appear as a guest star in the season, meaning he'll likely only appear briefly. However, Harry's father could prove to be an important character, and he could always return in future episodes.

Resident Alien Season 4 Is Confirmed

Season 4 Is Coming Soon

After a lengthy period of uncertainty regarding the show, the fate of Resident Alien was finally decided in June 2024 when it was renewed for its fourth season. The renewal order also came with a move to the Syfy channel's sister network, USA, a move that will also see the show face drastic budget cuts. It has since been announced (in December 2024) that filming had begun, and Alan Tudyk teased that the season should arrive before the end of 2025. Though filming wrapped in April 2025, no official release date is known.

Resident Alien season 3 aired its 8th and final episode on April 3, 2024.

Resident Alien Season 4 Is Moving To The USA Network

A Change Of Network To Bolster Ratings

Though USA offers the show more audience exposure, the move will also be accompanied by a large budget cut in order to keep the show financially feasible

Almost as soon as season 3 concluded, rumors began to swirl that Resident Alien season 4 wouldn't be airing on the Syfy Channel. Finally, it was decided in June 2024 that the show would be renewed, but that it would now air on the USA network in an attempt to bolster dipping ratings. Though USA offers the show more audience exposure, the move will also be accompanied by a large budget cut in order to keep the show financially feasible. It's unclear at this juncture what the budget cuts will mean for the production of season 4.

Resident Alien Season 4 Cast

Will Harry Return In Season 4?

Though the full ensemble hasn't been confirmed yet, it is assumed that the main cast of Resident Alien will reprise their roles in season 4. This means Alan Tudyk will once again be leading the show as the extraterrestrial who pretends to be Harry Vanderspeigle, and Sara Tomko will be back as Patience local Asta Twelvetrees. It's unclear if Linda Hamilton will continue to play a prominent role as General McCallister, but she will likely return as well.

Season 4's cast grew with the addition of Emmy nominee Stephen Root (Barry), and the comedic screen icon will play the guest role of Harry's father. While little is currently known about Harry's dad, it's said that he's going to try to guide his son back toward the path of evil. Root's guest appearance will likely be brief, but it could blossom into a larger role in future episodes.

The cast of Resident Alien season 4 is expected to include:

Resident Alien Season 4 Story

Will Harry Escape The Greys?

The ending of Resident Alien season 3 was perhaps the most shocking so far, as Harry's plot to stop the Grey invasion landed him in captivity. After discovering that the moon was actually just a Grey spaceship, Harry attempted to thwart their plans to transform Earth's atmosphere but was captured in the process. Now, season 4 could see the fake Harry (Mantid in disguise) wreaking havoc as the real Harry's allies try to find a way to rescue him from the clutches of the evil Greys.

Furthermore, Mike's discovery that aliens are real will undoubtedly transform his character after years of suspicion, and he might come around to helping Harry's cause. It's been revealed that Harry's father will make an appearance, and the elder alien will try to turn his son back toward evil. It remains to be seen if he will be tempted to go back to his villainous ways. Either way, Resident Alien season 4 will start with Harry in a precarious position, and the destruction of Earth seems more imminent than ever before.