disney studios tour

What is the difference between the Walt Disney Studios gold tour vs the platinum tour on Disney Movie Insiders (Disney Movie Club)? I don't see anything different.

My husband and I are planning a trip to California for this upcoming September (which will include our first trip to Disneyland which is really exciting because I grew up going to Disney World at least once a year so I am beyond excited to go to the park that started it all) and I thought that I...