'Big Brother' casting call at Mad River Bar & Grill

Oh 'Brother'CBS' trashy summer snooze-a-thon reality series "Big Brother" comes to Chicago for a casting call looking for this year's competitors from noon to 4 p.m. Saturday, May 1, at the Mad River Bar Grill, 2909 N. Sheffield Ave., Chicago. Eligibility requirements - evidently not including an IQ test - and applications can be found at cbs.com/bigbrother.Memphis crossroadsPBS' "American Experience" revisits the assassination of the Rev. Martin Luther King Jr. with the new episode "Roads to Memphis." It traces the intersecting paths of the civil-rights leader and his assassin, James Earl Ray. It airs at 9 p.m. Monday, May 3, on WTTW Channel 11.'Bullies' for youWith the NHL's Stanley Cup playoffs in full roar, HBO Sports looks back at one of the league's most colorful - and notorious - teams, the brawling Philadelphia Flyers of the mid-'70s, with the hourlong documentary "Broad Street Bullies." It debuts at 9 p.m. Tuesday, May 4, on the premium-cable channel.First second 'Blood'Violent action movies don't get much more gratuitous than Sylvester Stallone's "Rambo" films, but they do have an interesting Vietnam-era subtext for those who pause to actually stop and ponder a moment about what's going on. So start with the original "First Blood" at 7 p.m. Friday on AMC, followed by the sequel "Rambo: First Blood Part II" at 9.False482318Sylvester Stallone is Rambo. False