NOVA: Wild Ways (9 p.m., UNC-TV) – A look at how newly established wildlife corridors offer hope to endangered species around the world.
Also on tonight . . .
Heartbeat (8 p.m., NBC) – A patient questions Alex’s ability to leave personal grief outside the operating room when she performs heart surgery on the anniversary of her sister’s death.
Empire (9 p.m., Fox) – Lucious releases his video and tries to maneuver his way back into the CEO position at Empire.
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Nashville (10 p.m., ABC) – Maddie runs away from home, leaving Rayna and Deacon distraught.
Lopez (10 p.m., TV Land) – George’s new girlfriend forces him to host a neighborhood party that pushes him beyond his comfort zone.