Luke Perry's final "Riverdale" episode to air this week

The popular CW show "Riverdale" lost a beloved cast member in early March when actor Luke Perry died at 52. Perry and his character Fred Andrews have since appeared in the show's third season, as the scenes had been shot prior to his death. However, the drama's showrunner revealed Sunday night on Twitter that this week's episode is the final one with Perry in it."This week's #Riverdale is the last episode Luke filmed," wrote showrunner and executive producer Roberto Aguirre-Sacasa. "As always, F