Again, FMA will be on at 11:00pm, not 11:30pm next Saturday. The new InuYasha episodes have ended and FMA will be taking its place.
[adult swim] Saturday's line-up is as followed, starting next week:
11:00pm - Fullmetal Alchemist
11:30pm - Samurai Champloo
12:00am - Boondocks
12:30am - Ghost in the Shell
01:00am - s-CRY-ed
01:30am - Neon Genesis Evangelion