• And on the second-season finale of "The Expanse" (11 p.m., Syfy): The crew of the Rocinante have just averted disaster is faced with an unexpected attack and has to battle to save their ship. Meanwhile Avasarala is in grave danger, and only Bobbie Draper can save her.
And then there's the mysterious happenings on Venus …
The best news about "The Expanse" is that Syfy has renewed the show for a third season. Hurrah!
Elsewhere on TV ...
• College softball (6 p.m., BYUtv): Southern Utah at BYU
• "Survivor" (7 and 8 p.m., CBS/Ch. 2): In back-to-back episodes, the tribes merge, and now it's an individual game.
• "Nature" (7 p.m., PBS/Ch. 7): Giant armadillos dig new burrows each night in the Brazilian rain forest.
• "Shots Fired" (7 p.m., Fox/Ch. 13): Preston and Ashe zero in on the people they believe were involved in Joey Campbell's death.
• "Nova" (8 p.m., PBS/Ch. 7): Archaeologists discover a tunnel near Vilnius, Lithuania, which served as an escape route for Jews fleeing the Nazis during World War II.
• "Brockmire" (8 p.m., IFC): Brockmire's ex-wife reappears.
• "Greenleaf" (8 p.m., OWN): Kevin and Charity begin divorce proceedings; Grace and Darius's relationship reaches a stalemate.
• "Criminal Minds: Beyond Borders" (9 p.m., CBS/Ch. 2): An American visiting Greece is found beaten in a rough part of Athens.
• "Designated Survivor" (9 p.m., ABC/Ch. 4): President Kirkman struggles to put together a new Supreme Court.
• "The Magicians" (10 p.m. Syfy): Quentin, Eliot, Julia and Margo enact a risky plan to protect Fillory. (Season finale)
• "Archer" (11 p.m, FXX): Archer tries to escape from jail with the help of a crazed heiress and a dysfunctional jazz quartet.
• "Hap and Leonard: Mucho Mojo" (11 p.m. SundanceTV): The guys seek revenge for past transgressions. (Season finale)
• "Nobodies" (11 p.m., TV Land): With Ben and Melissa now on board, Larry, Rachel and Hugh have a meeting with Melissa's producing partner, Howard Lang.
• "Underground" (11 p.m., WGN): Rosalee and Noah learn that family betrayal cuts deep.
• "Lopez" (11:30 p.m., TV Land): George is asked out by a beautiful woman the actress who played his daughter on his old TV show.