Tirdad Derakhshani's TV Picks: 'Revenge,' 'Agents of S.H.I.E.L.D.,' 'Bessie' and more

Revenge ABC recently canceled this wicked, vengeful drama, which will wrap up its fourth and final season with a pivotal episode. Emily (Emily VanCamp) will confess her guilt. But there's so much of it. Will an hour slot be enough? 10 p.m. Sunday on ABC.

Thought Crimes: The Case of the Cannibal Cop Should you be arrested if you write down your fantasy to harm your boss? Should thoughts be policed now? That's the question posed in this chilling documentary about a former New York police officer arrested in March 2013 for planning to abduct and cannibalize women. Yet, he claimed he was simply fantasizing. 9 p.m. Monday on HBO.

Marvel's Agents of S.H.I.E.L.D. ABC promises that this two-hour season finale will feature a nail-biting war of all against all, pitting friend against friend. 9 p.m. Tuesday on ABC.

Sing It Inspired by the movie Pitch Perfect, this eight-episode docu-series follows the country's top collegiate a cappella teams as they compete to win the national championships. 10 p.m. Wednesday on Pop TV.

Bessie Oscar-nominee Queen Latifah (Chicago) stars as the legendary 1920s blues singer Bessie Smith, known as the Empress of the Blues. Adapted from music journalist Chris Albertson's biography and co-starring Mo'Nique and Bryan Greenberg, the film chronicles Smith's breakthrough from struggling performer to singing sensation. 8 p.m. Saturday on HBO.