Welcome to Plathville season 6 is in full swing this August. Like many TLC shows, the cast dynamic is totally changed since the series first began. The Plaths are navigating life after mom and dad, Barry and Kim, split up. The kids of the family are also delving into the dating world. This season, Micah Plath reveals who his mystery girlfriend is. For many Welcome to Plathville seasons, Ethan and Olivia took the spotlight, as well as Moriah and the family’s parents. But, this year, it seems there’s more focus on Micah’s life. He’s the youngest of the family at 23 years old. He ventures to LA t…