(CNN) Luke Perry fans will not want to miss the next episode of "Riverdale."

The show's creator on Wednesday revealed the episode title for Season 4 premiere: "In Memoriam." The episode will honor the late Luke Perry, who starred in the CW show as Fred Andrews.

"Probably the most important episode of Riverdale we'll do this year, if not ever," tweeted Roberto Aguirre-Sacasa . "A tribute to our fallen friend. Thankful for this opportunity to honor Luke and Fred."

Probably the most important episode of #Riverdale we'll do this year, if not ever. A tribute to our fallen friend. Thankful for this opportunity to honor Luke & Fred. ❤️🏆💎👨🏻‍💻 pic.twitter.com/MH7xOjNyDu — RobertoAguirreSacasa (@WriterRAS) June 19, 2019

"A beloved member of the Riverdale, Warner Bros. and CW family, Luke was everything you would hope he would be: an incredibly caring, consummate professional with a giant heart, and a true friend to all," the show's executive producers, Warner Bros. Television and The CW said in a statement after Perry died. "A father figure and mentor to the show's young cast, Luke was incredibly generous, and he infused the set with love and kindness."