PJ Masks is a preschool TV animated series produced by Entertainment One, Frog Box and TeamTO. The show premiered on September 18th, 2015 on Disney Channel and Disney Junior in US and UK, also on Disney Junior in Canada in 2016. French broadcast began on France 5 TV station at the end of 2015. Production is based on the series of books "Les Pyjamasques" written by French author Romuald Racioppo, who has released 21 books so far. The series was renewed for a second season.