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  • "Quest" (7:30 p.m., KQED): The Emmy award-winning multimedia science series airs its milestone 100th episode to kick off the spring lineup. Tonight's installment, hosted by Simran Sethi, offers a look at a North Carolina inventor building "carcycles." Also: An Ohio engineer transforms flies into fishmeal, and a Nebraska textile expert converts corn husks into fashion.

     

    Dana Wheeler-Nicholson as Beverly O’Connor and Clare Bowen as Scarlett O’Connor in ’Nashville’ televised on April 2, 2014.
    Dana Wheeler-Nicholson as Beverly O'Connor and Clare Bowen as Scarlett O'Connor in 'Nashville' televised on April 2, 2014. (ABC/Mark Levine)
  • "The Americans" (10 p.m., FX): Now that tensions between Russia and the United States have again heightened, we're watching this cold-war drama with a little more unease. Still can't take our eyes off Philip and Elizabeth (Matthew Rhys and Keri Russell), though.

     

  • "Down East Dickering" (10 p.m., History):

    This new reality series, set in "down east" Maine, follows a group of colorful guys who wheel and deal their way through life by scouring the classified ads for odd jobs, items to swap, crazy barters and offbeat goods.

     


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  • "Nashville" (10 p.m., ABC): Uh oh, more trouble for Rayna (Connie Britton). Her oldest daughter Maddie (Lennon Stella) posts a video online in which she refers to herself as Maddie Claybourne -- basically revealing to the world that her real father is Deacon (Charles Esten).

    Also on Wednesday:

     

  • "Arrow" (8 p.m., The CW)

     

     

  • "The Middle" (8 p.m., ABC)

     

     

  • "American Idol" (8 p.m., Fox)

     

     

  • "Survivor: Cagayan" (8 p.m., CBS; For weekly recaps of the show, go to www.mercurynews.com/tv)

     

     

  • "Criminal Minds" (9 p.m., CBS)

     

     

  • "The 100" (9 p.m., The CW)

     

     

  • "Modern Family" (9 p.m., ABC)

     

     

  • "Million Dollar Listing" (9 p.m., Bravo)

     

     

  • "CSI" (10 p.m., CBS)

     

     

  • "Chicago PD" (10:01 p.m., NBC)

     

     

  • "TripTank," Series premiere (10:30 p.m., Comedy Central)

     

    Contact Chuck Barney at Facebook.com/BayAreaNewsGroup.ChuckBarney, or Twitter.com/chuckbarney