The Greatest Show on Earth (AMC Sunday...

The Greatest Show on Earth (AMC Sunday at 7 p.m.): Ringling Brothers, Barnum and Bailey and Cecil B. DeMille were made for each other, and this star-studded 1952 spectacle is enduringly entertaining.

Investigation of a Citizen Above Suspicion (Bravo Thursday at 6 and 11 p.m.), Elio Petri’s splendid political thriller, stars Gian Maria Volonte as a police chief who plants evidence against himself to test the honesty of his department.