'Sister Wives' Stars Kody & Meri Brown Air Out Major Relationship Struggles In New Episode

Kody Brown and first wife Meri are getting candid about hitting a major relationship rough patch. In the latest episode of "Sister Wives," the two had a heated conversation about what they needed from each other, and Kody told viewers that there "has to be a spark" for Meri to get the "full marriage and sexual relationship" she wants from him. Access Hollywood takes a closer look at their ups and downs and at the Brown family’s journey. "Sister Wives" airs Sundays at 10 p.m. on TLC.