īlue Sky Studios was a subsidiary of 20th Century Animation until its acquisition by Disney, as part of their acquisition of 21st Century Fox assets in 2019. It produced 13 feature films, the first being Ice Age, released in 2002 by 20th Century Fox, and the final one being Spies in Disguise, released on December 25, 2019. Using its in-house rendering software, the studio created visual effects for commercials and films before dedicating itself to animated film production. It was founded on Februby Chris Wedge, Michael Ferraro, Carl Ludwig, Alison Brown, David Brown, and Eugene Troubetzkoy after their employer, MAGI, one of the visual effects studios behind Tron, shut down. was an American computer animation studio based in Greenwich, Connecticut. at the Wayback Machine (archived June 9, 2021) (now redirects to disney.