Ok, media folks, time to kick back as we head into a holiday weekend. And if you're planning on spending any downtime sacked out in front of your TV, check out this handy-dandy schedule of all the show marathons cable channels are running in the next three days.Pickings are especially good for hard-core TV nostalgia freaks ("I Love Lucy" on Hallmark, "Bewitched" on TVLand, "Twilight Zone" on SyFy -- all playing Monday); "Law & Order" nuts ("SVU", USA, Sunday; "Criminal Intent," Bravo, Saturday; regular version, TNT, Monday); and reality-show junkies (from "Cake Boss," TLC, Monday, to "America's Next Top Model," …

Fox will provide a "world premiere preview" of "The X Factor,"the Simon Cowell's new singing competition, in conjunction with the 2011 Major League Baseball All-Star Game July 12, 8 p.m."No indication has been given as to what shape this preview will take, though the promo seems to indicate that it will unfold before the game begins" -- with possibly more during, say, the seventh-inning stretch, writes Variety's Andrew Wallenstein. "Regardless, whatever stunt Fox has planned, it could be a significant piece of a marketing campaign that will be the network's biggest priority heading into the fall."