specific episodes, and became part of its library of shorts available for use in later episodes. Other films and animations were created as regular, recurring, and stand-alone segments. Gikow reported, "Virtually all animators and filmmakers supplying the show cite the enormous freedom given by producers, calling it a liberating force that let creativity explode on screen". CTW's first producer responsible for the show's animation and live-action shorts was Lu Horne. His successor, Edith Zornow, was interested in what Gikow called "emerging talent", and as a result, the show worked with, as Gikow also stated, "animators and filmmakers on the cusp of fame". Animators who created pieces for Sesame Street included Bud Luckey, Jeffrey Hale, Ernie Fosselius, and others who went on to work at Pixar. Jim Henson was one of the many producers who created short films for the show. As Gikow stated, "The expansion of the Sesame Street brand into films, videos, and television specials was a natural". There have been two full-length films produced: Sesame Street Presents Follow That Bird (1985) and The Adventures of Elmo in Grouchland (1999). In early 2019, it was announced that a third film, a musical co-starring Anne Hathaway and written and directed by Jonathan Krisel, would be produced. Starting in 1978 with Christmas Eve on Sesame Street, there have been several television specials, and the Sesame Street Muppets have made several appearances on other programs throughout the years. Home videos, which emphasized specific curriculum goals, began to be produced in 1985. By 2009, Sesame Workshop started a new website containing a large library of classic and more recent free video clips, as well as a series of podcasts. In 2014, PBS began to stream full-length episodes on its website, mobile app, and Roku channel. Also in 2014, the SW began an online streaming subscription service called Sesame Go, which aired both old and new episodes of the show. By 2019, Sesame Street has produced over 4,500 episodes, 35 TV specials, 200 home videos, and 180 albums. Its YouTube channel had almost 5 million subscribers, and the show had 24 million followers on social media. Format changes after the 1990s Sesame Streets format remained intact until the 1990s. By then, its dominance was challenged by other programs such as Blue's Clues, and its ratings declined. New research, the growth of the children's home video industry, and the increase of 30-minute children's shows on