Hi Anthony,
Thanks for posting in the community!
The
GoToWebinar Share a Video Beta feature could be utilized to play a pre-recorded Webinar in a live session. As this is still considered a live session, you would be able to conduct Q&A as normal at the end.
Alternatively, you might consider doing a
Simulated Live Webinar. Simulated Live sessions run automatically at a pre-determined time. The attendees can still submit questions, however, the questions would be emailed to the Organizer once the session is over and would not be real time. For this reason the Share a Video Beta feature might be better for you.