I need to add a trailer to an episode of a series

Hello, I need assistance adding a trailer to the first episode of a series. Can I get assistance with this? Here's a link to the first episode: https://pro.imdb.com/title/tt37833314/cast And here's a link to the trailer: https://youtube.com/watch?v=X2vHAnrhuKs&pp=0gcJCf8Ao7VqN5tD Also is there a specific date now when the scorecard updates will be done? I would appreciate a solution/response to this.