In the later seasons they include content that isn't repeated in the episode itself. Especially in S05E09 - The Gruesomes. Try and watch that episode without the opening scene.
This is important. As many people as possible need to contact WHV and make sure they are aware of this before they release this box set:
The HD masters are on HBO Max, so unfortunately it is incredibly likely that these omissions will be carried over to the Blu-ray.
Email - [email protected] and...