‘Riverdale’ to Honor Luke Perry in Season Four Premiere, Shannen Doherty to Guest Star

Attendees of the Riverdale panel at San Diego Comic-Con today learned from executive producer Roberto Aguirre-Sacasa that the season four premiere of the hit series will feature a special tribute to Luke Perry. Also, Perry’s longtime friend and former co-star Shannen Doherty will guest star in a special role in...