How to: Set a slide to be hidden during a slide show.
Solution:
1) Move to or select the slide to be hidden.
NOTE: In 'Slides' view, move to the slide. In 'Slide Sorter' view, select the slide.
2) Select the 'Tools' menu and select 'Hide Slide'.
NOTE: To unhide a hidden slide, select the slide, and select the 'Tools' menu and select 'Hide Slide' again.