Onslaught opened in US theaters on September 4, 2026. It is expected to stream on HBO Max later; no date has been announced.
Onslaught opened in US theaters on September 4, 2026. It is expected to stream on HBO Max later; no date has been announced.
Where to watch in the US
Current US availability not verified
It may be available now. Check a broader guide while we verify current catalog options.
Release details
Known dates and milestones
Released
In theaters
Since Sep 4
At home
Rent or buy
No date announced
Streaming
HBO Max
No date announced
Cast and crew
- Written by
- Simon Barrett
More to watch
About this information
Sources and attribution
Supporting links and attribution for the dates, credits, schedules and watch options shown on this page.
- Theatrical releaseSeptember 4, 2026Reported
“September 4, 2026: Onslaught (A24 / Lyrical Media). Adam Wingard (director); Simon Barrett (screenplay); Adria Arjona, Dan Stevens, Eric Wareheim, Reginald VelJohnson, Michael Biehn, Alex Pereira, Drew Starkey, Rebecca Hall”
- Streaming · HBO MaxNot announcedExpected
“A24: A24 films stream first on HBO Max under the renewed A24 and HBO Pay-1 output deal.”
- Cast and crew data
Release dates retain the source wording. Season history records original premieres; availability receipts identify options that can be used now or later.
Past changes
Theatrical release date announced: September 4, 2026