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  • "Quest" (7:30 p.m., KQED): The award-winning science and environmental series, kicks off a new season with a new host: Simran Sethi. The opener focuses on the history of Lake Tahoe and the efforts being made to maintain its fragile beauty.

  • "Toy Story of Terror" (8.p.m., ABC): Buzz and Woody return in "Toy Story of Terror!" It's a new Halloween special that has the gang experiencing mysterious events -- including the disappearance of Mr. Potato Head -- during a frightful road trip.

  • "Burton and Taylor" (9 p.m., BBC America): This new TV film has Dominic West and Helena Bonham Carter playing Hollywood's most famously volatile on-again, off-again lovers, Richard Burton and Elizabeth Taylor.

    TOY STORY OF TERROR - When Layout is complete, the primary and secondary characters are animated into poses by the Animation department. The Simulation
    TOY STORY OF TERROR - When Layout is complete, the primary and secondary characters are animated into poses by the Animation department. The Simulation department adds movement to the hair and garments through computer simulation. This allows the hair and garments to move naturally with the characters' actions. Final character shading is also completed by the Characters department to add textures and colors to the garments and props. DisneyâÄ¢Pixar's first special for television, "Toy Story OF TERROR!," a spooky new tale featuring all of your favorite characters from the "Toy Story" films, airs WEDNESDAY, OCTOBER 16 (8:00-8:30 p.m., ET). (Disney/Pixar 2013) MR. POTATO HEAD, BUZZ LIGHTYEAR, MR. PRICKLEPANTS, JESSIE, WOODY, REX ( Pixar )

    Also Wednesday:

  • "Arrow" (8 p.m., The CW)

  • "Revolution" (8 p.m., NBC)

  • "Modern Family" (9 p.m., ABC)

  • "American Horror Story: Coven" (10 p.m., FX)

  • "Duck Dynasty" (10 p.m., A&E)

  • "Big Tips Texas" (10 p.m., MTV)