When does The Little Couple return?

The Little Couple is an American reality television series on TLC that debuted May 26, 2009. The series features Bill Klein, a businessman, and Dr. Jennifer Arnold a neonatologist, who both have skeletal dysplasia. Arnold is 96.5cm (3'2") and Klein 122 cm (4 feet) tall. The couple moved to Houston, Texas, after Jen completed her pediatric residency and masters of medical education at University of Pittsburgh Medical Center. In March 2013, they adopted their son, Will, from Hohhot, China.