Sonic the Hedgehog 2020: Cast, Plot, Release Date and Ending

Sonic the Hedgehog 2020 follows a young blue hedgehog who runs at supersonic speed and who has been hiding on Earth since he was a child. After an attack on his home world, his guardian Longclaw sends him away with a bag of magic rings and stays behind to hold off the attackers. Ten years later, Sonic lives alone in a cave near the small town of Green Hills, Montana, where he spies on the locals, and above all on the friendly sheriff Tom Wachowski and his wife Maddie.

The trouble starts when a bout of loneliness makes Sonic lose control of his speed. He knocks out power across the whole region, and the military calls in the eccentric inventor Dr. Robotnik to find the cause. That setup is the engine of the film: a lonely kid with a superpower, a town that does not know he exists, and a government consultant who is far too delighted by the mystery.

If you are wondering how it compares with its sequels, the story is the smallest of the three in scale. It is a road trip between two unlikely friends rather than a global race for an artifact, and that smaller canvas is a large part of why it suits younger viewers. Its official rating is PG in the US, the UK and Australia.

The full plot of Sonic the Hedgehog 2020 runs from a tranquilizer dart in Montana to a showdown on home turf, and it ends with Sonic gaining a family.

Sonic causes the huge power outage, and the government sends the arrogant roboticist Dr. Robotnik to investigate. Tom finds Sonic and, in a panic, shoots him with a tranquilizer dart. Sonic, also panicking, opens a ring portal, and the bag of rings ends up on the roof of a building in San Francisco. Tom agrees to help Sonic get them back, so the two set off on a road trip that doubles as their first real conversation, while Robotnik brands Tom a criminal and hunts them both.

Along the way, Robotnik learns that Sonic's quills can power his machines, and he becomes obsessed with capturing the hedgehog. Sonic is hurt on the journey, and Maddie helps revive him at the home of her sister Rachel. The trio then recovers the rings in San Francisco, but Robotnik chases Sonic in a hovercraft powered by one of those quills and beats him back in Green Hills.

The turning point is small and human. Tom calls Sonic his friend, and that gives Sonic the strength to fight back. Sonic defeats Robotnik and sends him to a mushroom planet. Tom and Maddie decide to stay in Green Hills rather than move to San Francisco, and they welcome Sonic into their family. Stranded on the mushroom planet, Robotnik begins plotting his revenge.

Sonic the Hedgehog (2020) was released in US theaters on February 14, 2020, and that date is confirmed. The UK release is reported as February 14, 2020 and the Australian release as February 13, 2020, both according to TMDB.

The film held its premiere on January 25, 2020, at the Paramount Pictures studio lot in Los Angeles. The February date was itself a move. Paramount shifted the film from November 8, 2019, so the team had time to redesign the lead character, and Fowler said on May 24, 2019 that Paramount and Sega were committed to making Sonic the best he could be.

Is it a hit or a flop? On the numbers, it earned $149 million domestically and $171 million internationally, for $320 million worldwide, according to Box Office Mojo, against a budget of $85 million. A film that grosses more than three times its budget is hard to call a flop. For the series comparison, see sonic box office.

Where can you watch it? As of November 3, 2026, the US streaming options listed by JustWatch through TMDB include Paramount Plus, Philo, and free access through Kanopy and ad supported YouTube. It is not listed on Netflix in the US. In the UK it is on Paramount Plus, and in Australia it is on Paramount Plus, BINGE, Foxtel Now and Stan. Rent and buy options sit on Amazon Video and Apple TV in all three countries. Availability changes often, so check where to watch sonic for the current table.

The ending of Sonic the Hedgehog (2020) resolves the loneliness that started the film, and it sets up Robotnik's return. Sonic beats Robotnik and uses the rings to banish him to a faraway mushroom planet. Tom and Maddie give up their San Francisco move and stay in Green Hills, so Sonic finally has a home and a family.

Why does that land? In my opinion, the key beat arrives earlier, when Tom calls Sonic his friend and the hedgehog finds the strength to fight back. The story begins with a young hedgehog sent away to hide in a cave, and it ends with him taking a place in a town. It could be argued that the film is more a story about belonging than about a villain, which suits a PG rated family adventure.

The banishment also leaves the villain in play. Sonic the Hedgehog 2 (2022) opens with Robotnik escaping the mushroom planet and finding a new ally in Knuckles, who is hunting the Master Emerald, so the stranded Jim Carrey character is the direct setup for the sequel. As a comparison, the first film ends with a family and a two tailed fox arriving at the door. Sonic the Hedgehog 2 widens into a race for an artifact, with Tails now at Sonic's side. Sonic the Hedgehog 3 (2024) goes wider again, with G.U.N. recruiting Sonic, Tails and Knuckles to catch Shadow, a rival whose powers are beyond anything the heroes have faced. Next to those two, the first film is the only one that ends on a small domestic image rather than a bigger threat on the horizon.

That being said, I think the quiet ending is the strongest thing the film does. It trades a bigger finale for a smaller, warmer one, and perhaps that restraint is why it works as the start of the saga. For where it sits in the sequence, see sonic movies in order, the sonic 2 movie, sonic the hedgehog 3 and the sonic timeline.

Sonic the Hedgehog 2020 has one mid credits scene, and it sets up the sequel. A two tailed fox, Tails, arrives through a ring portal to find Sonic. Tails is voiced, uncredited in this film, by Colleen O'Shaughnessey, who returns in the next two films and is credited there.

The same sequence also shows Robotnik stranded on the mushroom planet. Both threads pay off in the sonic 2 movie. To learn more about the character, see tails sonic.

Sonic the Hedgehog (2020) was filmed largely around Ladysmith on Vancouver Island, British Columbia, Canada, in summer and fall 2018. Ladysmith stood in for the town scenes of Green Hills, Montana.

The production also shot in Vancouver, British Columbia, and key scenes were filmed at Liwa Oasis in the United Arab Emirates. In my opinion, the small town setting suits a story that depends on Sonic watching an ordinary community from the edge.

A few facts about Sonic the Hedgehog (2020) explain how the film ended up looking the way it does.

• The release moved from November 8, 2019 to February 14, 2020 after fan backlash to Sonic's first design, so the character could be redesigned.
• Fowler said on May 24, 2019 that Paramount and Sega were committed to making Sonic the best he could be, confirming the redesign.
• Principal photography took place in 2018, largely around Ladysmith on Vancouver Island.
• It was Fowler's feature directorial debut.
• Holkenborg composed the score, and he had worked with writer Josh Miller on Deadpool (2016).
• The production reportedly used visual effects work from Moving Picture Company, Marza Animation Planet, Blur Studio, Trixter and Digital Domain.
• The runtime is 99 minutes, and the budget listed by Box Office Mojo is $85 million.

For more on the series, visit the sonic movies hub, see how many sonic movies are there, or compare the films at sonic movies ranked. Next up is sonic 4, with the sonic 4 trailer page for video. You can also meet shadow the hedgehog movie and knuckles sonic movie profiles to see who arrives later, browse sonic merchandise, read sonic movie reviews or explore the sonic games behind it all.