Riverdale A face-to-face confrontation with the Black Hood proves dangerous for Betty and Archie (Lili Reinhart, KJ Apa). Camila Mendes, Cole Spouse and Skeet Ulrich also star. 8 p.m. KTLA
Empire In the drama’s fall finale Lucious and Cookie (Terrence Howard, Taraji P. Henson) unite against Diana Dubois (guest star Phylicia Rashad) as Eddie Barker (guest star Forest Whitaker) starts to wind down his current association with the music label. Taye Diggs and Demi Moore also continue their guest roles. 8 p.m. Fox
The Librarians The fantasy series returns for a fourth season with two new episodes. Rebecca Romijn and...