Don't bother getting into it. It's tanking in the ratings in the US, so the network moved it to Saturday night (kiss of death) and it's on the verge of being cancelled, if it hasn't already. We had started taping the episodes and watched the pilot, but once we heard it would most likely be canned, we deleted all the other episodes we'd taped without bothering to watch them.
The great authority of Webster was sufficient to establish the American pronunciation of schedule. In England the sch is always given the soft sound, but Webster decided for the hard sound, as in scheme. The variance persists to this day.