You can check out our full library of webinars, demos, e-books, and more at this site. If you are hoping to register for the next live "Getting started in Airtable" webinar, you'll want to pick the "Online Webinar" option that will be on April 25 at 10:00 a.m. PT. The direct link to the live webinar can be found here.
If you'd like to view the recorded version, you'll want to choose the "Getting started in Airtable" webinar which is categorized as "On Demand Webinar". The direct link to the on-demand webinar can be found here.
Hope this helps!