Dian Fossey: Secrets in the Mist (9 p.m., National Geographic) – The start of a three-part special, culled from more than 40 hours of rare archival footage, telling the story of the life and brutal murder of the pioneer primate researcher. Narrated by Sigourney Weaver.
Modern Family (9 p.m., ABC) – After leaving his real estate firm to strike out on his own, Phil takes a solo camping trip to boost his confidence.
Dynasty (9 p.m., The CW) – The Carringtons struggle with ghosts from their past.
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Happy! (10 p.m., Syfy) – In this new drama, a hit man partners with an imaginary blue winged horse to rescue a missing child.
Knightfall (10 p.m., History) – This new series is set in the 1300s, when the Knights of Templar are winding down their run as one of the most powerful groups in the Christian world.
Chicago PD (10 p.m., NBC) – The death of Judge Tommy Wells’ daughter puts cops on the track of a pill mill and the doctor enabling it.
Mr. Robot (10 p.m., USA) – Elliot trolls a former ally and Mr. Robot leaves a cryptic message.
Broad City (10:30 p.m., Comedy Central) – The girls’ Friendiversary celebration takes a dangerous turn when they witness something horrible.