This presentation has just one section with five pages. Page 3 has a sub page that is not part of the main structure flow (it is not an .ft-page) so is not reachable by Flowtime.js logic but only by custom navigation.
Go to Page 3 to take show and hide the sub page.
This page has a sub page content which is not reachable by Flowtime.js logic.
To go to the sub page click here.
Sub pages will also not appear in the overview mode.