Introduction to Pivot Tables, Charts, and Dashboards in Excel (Part 1) 15 minute video very well done. https://www.youtube.com/watch?v=9NUjHBNWe9M
Introduction to Pivot Tables, Charts, and Dashboards Part 2 https://www.youtube.com/watch?v=g530cnFfk8Y
How to Create a Dashboard Using Pivot Tables and Charts in Excel – Part 3 https://www.youtube.com/watch?v=FyggutiBKvU
Excel Pivot Table Slicer DASHBOARD – Excel 2016, 2013 & 2010 A more complex dashboard in 16 minutes. https://www.youtube.com/watch?v=v-0Z4qGS0xk
Build a KPI Dashboard in 3 minutes – Excel 2013 WebApps This video has CC but no sound – worth getting the free dashboard apps
5 basic design principles that will improve your dashboard 28 minutes https://www.youtube.com/watch?v=RtKDSfWFQIA