If wewe are in the States episode 25 will air on monday between 2:00 and 3:00 PM on hulu, here's a link link I know there is already a link to this web sight in viungo somwhere, (can't remeber wish spot I saw it on) so here it is anyway:)
Just go on google, yahooo au any other website. Then type in hulu.com. Then when wewe on it go on the tafuta and type InuYasha Final Act and there are 26 episodes