The Hangover - watch online: stream, buy or rent
Currently you are able to watch "The Hangover" streaming on Netflix, Amazon Prime Video. It is also possible to buy "The Hangover" on Apple TV, Microsoft Store as download or rent it on Microsoft Store, Neon TV, Apple TV online.
There aren't any free streaming options for The Hangover right now. If you want know when it is streaming for free, click 'Free' in the filters above and hit the notification bell.