Rectify (10 p.m., SundanceTV) – The third season of this powerful – and Peabody Award-winning drama – picks up where Season 2 left off: on the very afternoon of Daniel’s plea deal. We learn if Daniel’s deal is accepted and if he’ll be forced out of town. Also, the body of a missing person is discovered and law enforcement once again turns to Daniel for answers. Meanwhile, Tawney and Ted Jr. figure out if their marriage can be saved.
Also on tonight . . .
Astronaut Wives Club (8 p.m., ABC) - Deke and Marge embrace new roles to accommodate his new status, and things start to thaw between Gordo and Trudy.
Dates (9 p.m., CW) - In this new scripted British comedy, each episode is devoted to a couple's first date after having met online. Stars include Oona Chaplin, Ben Chaplin, Andrew Scott and Katie McGrath.
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Wayward Pines (9 p.m., Fox) - Ethan wants to find out who is responsible for the explosion that left his son in critical condition.
Complications (9 p.m., USA) - When victims of a gang shootout show up in the ER, John navigates rival gang members and police.
Shark Planet (9 p.m., Discovery) - A special exploring more than 13 shark species around the globe, highlighting shark behavior and delving into how they hunt.
Under the Dome (10 p.m., CBS) - Under the guise of helping Chester's Mill rebuild, Christine urges the townspeople toward projects that remind them of their experience in the tunnels.
Hannibal (10 p.m., NBC) - Bedelia and Hannibal’s time in Florence is coming to a close. Meanwhile, Jack questions Will’s loyalty.
Dominion (10 p.m., Syfy) - In the Season 2 premiere, Alex and Noma ahead to New Delphi after an attack, and Claire begins to understand her responsibilities.