Add Showtime App as a Related List in Deal Module

Add Showtime App as a Related List in Deal Module

One of our products is a series of live webinar training. I would like to start using Showtime as our webinar channel (I like the functionality better than the webinar feature in the meetings app) however, I need the showtime sessions to show in associated Deal. Since this deal has a 90 calendar period I need to see all aspects of the job in the Deal. How can I accomplish this?