Las Vegas is the largest city in the U.S. state of Nevada. Nicknamed the Entertainment Capital of the World, it is situated in the Mojave Desert of Southern. The trail reached from Salt Lake City, Utah to Las Vegas, Nevada to Los The modern road that roughly matches the Mormon Trail to southern. Las Vegas, you have a gambling problem. Claire is a perfectionist when it comes to dealing with her family, often knowing .. Modern Family Wiki Templates. " Las Vegas " is the 18th episode of the fifth season of the American sitcom Modern Family, and the series' th overall. It was aired on March 26. Sometime before the episode Not in My House, Jay bought Barkley in Las Vegas with money he had won at a casino. Even though Jay admires Barkley, Gloria. Season 5 for Modern Family began airing from September 25, to May 21, " Las Vegas ", Paul Corrigan, Brad Walsh & Bill Wrubel, Gail Mancuso, March 26.