You can watch Only Murders in the Building streaming on Hulu in the United States, where all four seasons are available

. In the UK and some other countries, the show is available on Disney+ (specifically on the Star hub)

. New episodes of Season 4 premiered on Hulu starting August 27, 2024, with weekly releases

. To summarize:

• United States: Hulu (all seasons, including Season 4)
• United Kingdom and select other countries: Disney+ (Star)

If you are outside these regions, using a VPN to access Hulu or Disney+ libraries may allow you to watch the show, but be aware of the legal and service terms regarding VPN use