wow that is SO weird, not you stugling to put a battery in, but if the rest if it isnt edited and its just skipping ahead like that. Cannot reproduce that on my end. Then i understand what things felt a little disconnected for you.
But yeah, every stage is suppose to last 45 seconds, precisely
Yeah it's unedited, wish I knew what caused it to help you out, but I can tell you it happened each time I ran it (probably like 4 times just to be sure)