7.2 2010 – The Simpsons 20th Anniversary Special – In 3D! On Ice! Jan. 10, 2010 2010 – The Simpsons 20th Anniversary Special – In 3D! On Ice! IMDb: 7.2 2010 42 min 4 views The Simpsons 20th Anniversary Special – In 3D! On Ice! / The Simpsons 20th Anniversary Special – In 3D! On Ice! – 2010: Dokumenter