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  • 2013 World Series (4:30 p.m. PST, Fox): Break out the peanuts and Cracker Jack, baseball's Fall Classic is here. The best-of-seven-game showdown begins in the home ballpark of the American League champ, and if this season's postseason trend holds, the pitchers will dominate. Joe Buck calls the action, and Tim McCarver, who is set to retire after the series, provides color analysis.

  • "The Middle" (8 p.m., ABC): The zany family sitcom celebrates its 100th episode with a parade in which Frankie and Mike (Patricia Heaton, Neil Flynn) drive a giant cow float. You know that's a disaster waiting to happen.

    Catherine Willows (Marg Helgenberger, left) uses her flashlight with Sara Sidle (Jorja Fox) as they look into the trunk of a car, on the milestone 300th
    Catherine Willows (Marg Helgenberger, left) uses her flashlight with Sara Sidle (Jorja Fox) as they look into the trunk of a car, on the milestone 300th episode of CSI: CRIME SCENE INVESTIGATION, Wednesday, Oct. 23 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS ÃÉÂÇÃÇ©2013 CBS Broadcasting, Inc. All Rights Reserved. ( Michael Yarish )

  • "CSI" (10 p.m., CBS): Look who's back: Catherine Willows (Marg Helgenberger) returns to Las Vegas to help the team solve a cold case and mark the show's milestone 300th episode.

    Also Wednesday:

  • "Arrow" (8 p.m., The CW)

  • "Nature" (8 p.m., PBS)

  • "Survivor: Blood vs. Water" (8 p.m., CBS)

  • "Modern Family" (9 p.m., ABC)

  • "Tyler Perry's For Better or Worse" (9 p.m., OWN)

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

  • "Duck Dynasty" (10 p.m., A&E)

  • "Key & Peele" (10:30 p.m., Comedy Central)

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