Nickelodeon officially opened the doors to its newly expanded building in Burbank --an over 200,000 square-foot, state-of-the-art, sustainable complex now home to more than 700 Nickelodeon employees and over 20 show productions, including the biggest hits in kids’ TV like The Loud House; SpongeBob SquarePants; Shimmer and Shine; and Teenage Mutant Ninja Turtles.  Nickelodeon’s facility now includes a new five-story, building; an expansive, redesigned courtyard; and the newly renovated, original 72,000 square-foot studio that first opened in Burbank in 1998.