Watch The Season Four Trailer For Riverdale

The trailer for season four of Riverdale has been released. The hit CW show will be returning to the network on Wednesday, October 9.

In the upcoming season premiere, the show will pay tribute to Luke Perry, who passed away earlier this year. Details on the tribute are being kept under wraps, but Shannen Doherty is expected to make an appearance, along with Molly Ringwald.