Disney is celebrating the success of its newest animation series for preschoolers, “Doc McStuffins,” which is a ratings hit in the both the U.K. and the U.S. and had Disney's fastest-selling new product line of 2012.

After eight weeks on Disney Junior in the U.K., the series is ranked at No. 1, mirroring the show’s U.S. success where it became the No. 1 preschool launch in cable TV history among adults and the top cable series among kids.

Top sellers in the Doc McStuffins product range include the Doc McStuffins talking plush, the Lambie mini bean bag and the Doctor’s bag set.

“The success of ‘Doc McStuffins,’ both here and in the U.S., is testament to the fantastic storytelling and sensitive approach taken to highlighting what can be a daunting experience for our younger viewers when they visit the doctor,” says Boel Ferguson, vice president and general manager, Disney Channels and Disney Online, U.K. and Ireland. “Doc is an aspirational character and a unique female role model for our younger viewers, giving an insight into what is a fascinating and fulfilling career endeavor.”

“Doc McStuffins,” produced by the Dublin-based animation studio Brown Bag Films, follows a girl named Doc who can talk to and heal toys. The series has been greenlit for a second season.