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Hollywood & Entertainment 'Supergirl' Is Now Streaming After Its Major Box Office Flop: How To Watch At Home By Monica Mercuri ,
Forbes contributors publish independent expert analyses and insights. Monica is an entertainment reporter covering TV, film, and music. Follow Author Jul 28, 2026, 12:05pm EDT --:-- / --:-- This voice experience is generated by AI. Learn more . This voice experience is generated by AI. Learn more . Summary Supergirl, the second feature film in James Gunn and Peter Safran's rebooted DC Universe, is now available to watch at home after a disappointing run at the summer box office. Starring Milly Alcock as Kara Zor-El, Superman's cousin, the superhero adventure follows the young Kryptonian as she embarks on an interstellar quest for vengeance and justice while trying to save her beloved dog, Krypto. Despite earning just $124 million worldwide against a reported $290 million production and marketing budget, the film found a warmer reception with audiences than critics. Supergirl is now available to rent or buy on digital platforms, with its 4K Ultra HD, Blu-ray and DVD release arriving Sept. 8, 2026. The film is also expected to begin streaming on HBO Max later this fall, though Warner Bros. has not yet announced an official release date.
After flying into theaters in late June to a disappointing box office performance, Supergirl is finally making its way to home audiences. The film stars Milly Alcock as Kara Zor-El, Superman’s cousin, and marks the second feature film in James Gunn and Peter Safran's rebooted DC Universe.
Directed by Craig Gillespie from a screenplay by Ana Nogueira and based on DC characters, the superhero adventure follows Kara as she embarks on a dangerous interstellar journey after an enemy threatens someone she loves.
“When an unexpected and ruthless adversary strikes too close to home, Kara reluctantly joins forces with an unlikely companion," the synopsis says. "Together they undertake an epic, interstellar journey, struggling to balance one’s need for vengeance with the pursuit of justice—and to save the life of Kara’s best friend, her dog Krypto. Ultimately, Supergirl will prove that doing good can be tough… and it doesn’t always have to be nice.”
Alcock stars in the title role alongside Matthias Schoenaerts, Eve Ridley, David Krumholtz, Emily Beecham, David Corenswet and Jason Momoa.
Supergirl has grossed more than $124 million worldwide, including $71 million domestically and $53 million internationally. According to Variety , Warner Bros. and DC spent approximately $170 million to produce the film and another $120 million to market it. Based on those figures, the film has fallen significantly short of recouping its reported $290 million production and marketing costs through its theatrical run.
Whether you caught Supergirl in theaters or have been waiting to watch it at home, here's everything you need to know about its digital and physical release, bonus features and HBO Max streaming details.
Supergirl is currently available to stream on video-on-demand platforms, including Prime Video , Apple TV and Fandango At Home . You can purchase the latest DCU film for $24.99 or rent the movie for $19.99. For rentals, you have 30 days to start watching the video and 48 hours to finish once started.
Supergirl will be released on 4K Ultra HD, Blu-ray and DVD on Sept. 8, 2026.
According to Warner Bros., the digital, 4K Ultra HD and Blu-ray editions include more than 90 minutes of bonus features, including:
Consider Supergirl a “Hero’s Journey” for Milly Alcock. She transformed throughout the process of leading her first feature film. We watch as a fly-on-the-wall during key moments of production.
Supergirl: Woman of Tomorrow, written by Tom King with art by Bilquis Evely, was the jumping off point for DC to adapt Supergirl into a film. We follow the comic authors, screenwriter Ana Nogueira, and filmmakers, as they make the leap from page to screen.
Explore with Production Designer Neil Lamont, as he takes us through the many worlds that Kara Zor-El steps into on her journey to hunt down Krem of the Yellow Hills.
There are so many aliens and unique looks in this film that are literally out of this world! Legacy Effects and Peter Swords King explain the creative process behind this diverse group of creatures.
Production spent a month filming this action set-piece. From stunt training, to crashing tanks, to classic superhero flying moments, this breaks down the making of an incredible action scene.
Jason Momoa has been outspoken over wanting to play Lobo for years, and now his time has come. Go behind the scenes as he transforms into this iconic and chaotic character.
What does Supergirl, as a character, sound like? Director Craig Gillespie and Composer Claudia Sarne answer this question as they discuss the score for the film.
If you want to know more about all the planets visited in the film, check out this piece, narrated by Ruthye herself, actress Eve Ridley, to learn some more details, and enjoy the alien aesthetic of the film up close!
Krypto is Kara’s badly-behaved BFF and last connection to her home world of Krypton. We delve into their relationship and what makes it so special.
An animated short that tells the story of a fun day at the beach which goes sideways when some sneaky foes get between Krypto and his hot dog.
In addition to its digital release, Supergirl will also stream on HBO Max, Warner Bros.' streaming service. While the studio doesn't follow a set schedule, its theatrical releases typically arrive on the platform about 70 to 120 days after opening in theaters.
Recent Warner Bros. releases offer a good indication of what to expect. Superman premiered in theaters on July 11, 2025, before landing on HBO Max 70 days later. Weapons followed with a 77-day theatrical window, while One Battle After Another arrived on the streamer 84 days after its late September debut. Wuthering Heights began streaming 77 days ...
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