function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
Chris Thilgen 6Chris Thilgen 6 

Link to video broken (Flow Designer)

1. Launch Developer Edition from Trailhead sample
2. Launch the Flow Designer (Setup, Create, Workflow and Approvals, Flows)
3. Click on New Flow
4. The Welcome to the Cloud Flow Designer splash screen appears with embedded videos.
5. On the right side of the dialog, select the second video entitled "Building a Simple Flow"
6. Press play. The video does not play and the user is presented with a standard YouTube "This video does not exist" error message.

User-added image
ShashankShashank (Salesforce Developers) 
I would recommend you to raise a case with salesforce support to get this addressed.