Every one of the Core Skill Videos is made available on your Home page (click the house icon), under the Development section.
Here you will find every Core Skill Video is available on-demand.
Video's which you have watched before are symbolized by an eye icon in the middle of the thumbnail, while the one's you haven't seen yet are shown with a 'Play' button.
Each video is then linked with related content which ProSmart's experts recommend you watch as well.
ProSmart Content Walk-Thru Tutorial