To add even further confusion, in Australia some stores have eggs in the fridge, and some don’t

Bad Apple is supposed to be ~5:24 for the full version. It got famous for its PV (promotional video) which is only 3:49. This is the version which made it popular, and likely what you watched.

Subsequent fans have edited the PV by slowing it down in certain sections so to set it to the full version of the song.

PV version: https://www.youtube.com/watch?v=UkgK8eUdpAo

Edited full version (read description): https://www.youtube.com/watch?v=9lNZ_Rnr7Jc