Aquarius (9 p.m., NBC) – With the Olympics over, this David Duchovny crime drama returns to burn off the remaining Season 2 episodes. Tonight, Manson goes to Hodiak’s place looking for Emma. At 10, Hodiak finds Emma in a sanitarium but needs help getting her out.
Also on . . .
Unwanted Guest (8 p.m., Lifetime) – Amy is invited to stay with her friend Christine’s family over winter break. It starts out OK but turns into a nightmare as Amy lashes out at her hosts.
Boston EMS (9 p.m., ABC) – The final two episodes of Season 2 air back-to-back tonight.
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Summer of Dreams (9 p.m., Hallmark) – A fading pop star on the verge of losing everything finds inspiration when she relocates to suburban Ohio and begins teaching music to a group of misfit children.