ABC's "Nashville" - Season Four

NASHVILLE - "Stop the World (And Let Me Off)" - Rayna pushes back on Layla's romantic relationship with Jeff, and Markus pushes back on his producer, Avery - which does not go well. Maddie joins Colt on Luke's tour, giving the teens opportunities for more freedom than Maddie can handle. She turns to Juliette for advice and shocks Luke with the results. Meanwhile, Deacon and Scarlett head to Natchez despite their falling-out, and Gunnar enlists Kevin and Will's help as "wingmen" in an effort to pick up a new woman, on "Nashville," WEDNESDAY, OCTOBER 21 (10:00-11:00 p.m., ET) on the Disney General Entertainment Content via Getty Images Television Network. (Photo by Mark Levine/Disney General Entertainment Content via Getty Images)