If you remember. Shawn meets his mother at the end of season 2, but we never see who it is.
If you want to know who will be playing his mother look at the spoiler.
also Rachael Leigh Cook will be in the season premiere.
Shawn and Gus attend their high school reunion. Shawn notices a body fall past a window; however, on further inspection the body has vanished, which causes Gus to assume the worst about his friend.
here is the schedule so far
Murder...Anyone...Anyone... July 18th
Ghosts July 25th
Disco Didn't Die... Aug 1st
Daredevils!! Aug 8th