"Las Vegas" is the 18th episode of the fifth season of the American sitcom Modern Family, and the series' 114th overall. It was aired on March 26, 2014. The episode was written by Paul Corrigan, Brad Walsh, and Bill Wrubel and directed by Gail Mancuso. The episode is notable for its overlapping story arcs between the characters as they each seek to find their ideal experiences in Las Vegas. This was the only episode of the show to feature only the parent cast. Sarah Hyland, Ariel Winter, Nolan Gould, Rico Rodriguez, and Aubrey Anderson-Emmons do not appear in this episode.