20th Century Animation (formerly Fox Family Films, Fox Animation Studios, and 20th Century Fox Animation) is the animation division of 20th Century Studios, a part of the Walt Disney Motion Pictures Group since 2019, which oversaw production of films produced by Blue Sky Studios until its closure in 2021, Disney acquired 20th Century Fox Animation in its purchase of 21st Century Fox, with their first film under Disney's ownership being Spies in Disguise, which released in December 2019. It is currently a member of Disney’s big three animation studios, the other two being Walt Disney Animation Studios and Pixar.