Stream Growing Up Trans Online Free – Watch Full Movie from Home at 123Movies. . Just a generation ago, it was adults, not kids, who changed genders. But today, many children are transitioning, too—with new medical options, and at younger and younger ages. Told from the perspective of parents, doctors, and, most revealing of all, the kids themselves, the documentary takes a powerful look at this new generation, exploring the medical possibilities, struggles and choices transgender kids and their families face today.