In ET's exclusive sneak peek from the season finale of 'Little People, Big World,' Zach Roloff reflects on growing up on the farm and where he stands with his dad, Matt Roloff. Zach says he doesn't have much of a relationship with his father now, explaining how he believes that could change but it’ll never be the same. The season finale of 'Little People, Big World' airs Tuesday at 9 p.m. ET on TLC.