An intermission is an interruption when a film is designed without one and the theater simply stops it about halfway through at an arbitrary reel change.
When designed well it gives a film heightened tension and anticipation and at the same time a brief rest for the audience to collect its thoughts for the next half.
Much like a theatrical experience.
When I was able to start going to theater on my own the musical No No Nanette was in 3 acts so you got 2 intermissions. But Follies which was epic in its demands on both the performers and audience had none!
When designed well it gives a film heightened tension and anticipation and at the same time a brief rest for the audience to collect its thoughts for the next half.
Much like a theatrical experience.
When I was able to start going to theater on my own the musical No No Nanette was in 3 acts so you got 2 intermissions. But Follies which was epic in its demands on both the performers and audience had none!