PVR Cinemas have brought us uninterrupted movies, without any intervals. Yes, There are certain secret shows that have no intermissions so you can experience the true escape.
But, it is only available for select hollywood movies. For now, we have no interval shows for "Hereditary" only. Lets hope we get such shows for movies like "Ant-Man & The Wasp"
The list will be updated regularly, So you can always checkout the updated list here